Greater Bay Area Quality Education Association Limited

Microcontroller: Arduino UNO (or similar) Sensors: One or more soil moisture sensors (analog output). These sensors measure the moisture level in the soil and provide an analog voltage output. Actuator: A 12V water pump (or a smaller 6V pump). A relay is often needed to control the 12V pump from the 5V Arduino. Power: A separate 12V power supply for the pump and a 5-12V supply for the Arduino (wall wart, battery, or solar panel). Other Components: Connecting wires, breadboard (optional but recommended for prototyping). 

Windows Control Kit

Langxu Solar Electronics Technology Co.,Ltd

Model number:HSD713 Place of origin:Fujian, China Material:plastic Brand name:Sunmax Application:Pool, Pond Solar Panel Type:Polycrystalline Silicon Maxium Pump Flow:130L/H Spray Height:20-70CM Accessory:6 Spray Nozzles  

Solar Floating Water Pump

Foshan Yisihang Electrical Technology Co. Ltd

1. Remote control &amp; Touch screen control. 2. 3 working modes, and 3 speed settings. 3. 7.5 hours timer. 4. 12L removable water tank, with water level indicator and removable ice boxes. 5. Automatic pump protection system: When the water tank is empty, a warning signal is given to activate the protection system. 6. With handle for portability and wheels for easy mobility. 7. Humidification and ION function. 8. Rechargeable battery. 9. Solar panels for power supply, environmental-friendly. 10. Automatic oscillation of the horizontal louvres and manual adjustment of the vertical louvres. 11. Memory mode: The gear position defaults to the last power off. 

solar portable air conditioner

Fuzhou TDRForce Technology Co Ltd

1. VOL &nbsp;110V-240V&nbsp;&nbsp;is all available
2. Current : 0.25A ~0.5A
3. Max Flow : 2.5L
4.Pressure off: 40PSI, 2.75Bra
5.Size: 60*26*9.5cm
6.G.W: 3kg.
7. MOQ : 1 pcs
8.Materials: Plastic
9. Delivery date :&nbsp;&nbsp;3-5 days for sample order
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5-10 days for small order
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;10-20 days for normal production
10.&nbsp;With CE certificate
&nbsp;
Bottled Water Dispenser Pump System Application and Electric Power 5 gallon bottle, one tube
&nbsp;
Liquid bottle dispenser is ideal for mobile locations or home users who can&rsquo;t or don&rsquo;t want to direct plumb. The Bottled Water Dispensing System will deliver the water under pressure to an inpidual drinking water faucet, the water inlet of a refrigerator for the ice-maker and chilled drinking water tap, and to certain commercial coffee/tea brewers.

Flojet Water Pump

Solar Air Cooler

FUGO Development Limited

 	 Solar powered without battery&nbsp; 	 Mono solar panel&nbsp; 	 DC brushless motor pump&nbsp; 	 3kinds spray head&nbsp; 	 IP68 waterproof&nbsp; 	 Widely used for landscape, pond, pool, patio, garden decoration.&nbsp; 	 Solar panel 7V/1.4W, MONO&nbsp; 	 Solar panel diameter 160mm&nbsp; 	 Max pump flow 200L/H&nbsp; 	 Water flow height 30-60CM&nbsp; 	 Pump power 0.8W&nbsp; 	 Spray head 3 kinds  
&nbsp;

Solar Water Float with Pump & Waterproof

Update Technology (HK) Limited

 Solar Water Fountain Garden 1.4W Powered Pump Bird Bath Free-Standing Outdoor Water Pumps for Garden Pond, Pool, and Patio 
Product Specification 	 Solar panel: 7V/1.4W 	 Brushless pump input: DC 4.5-10V 	 Maximum quantity of flow: 150L/h 	 Maximum delivery head: 70cm 	 Maximum water height: 45cm 	 Certification: CE, FCC, RoHS 	 Warranty: 1 year 	 Style: Antique Reproduction 	 Protection Level: IP68  Product Introduction
This product is solar-powered decorative fountain. It is made up of highly efficient solar panel and new brushless pump. It is start-up fast, efficient and strong stability. In addition, it floats on the water and has no electric outlet or external battery. So it&#39;s very easy to use. This product is suitable for bird bath, fish tank, small pond, garden decoration, water circulation for oxygen, etc.

Functions 	 Perfect Decoration for Your Garden, Swimming Pool, Fish Tank etc. 	 Our solar fountain pump will bring much fun for your garden, bird bath, swimming pool, fish tank, aquarium and so on. 	 Work Automatically - No battery or electricity input is required. It will work automatically within 3 seconds after sufficient sunshine exposure, which is attractive decoration for bird bath, fish tank, pond and pool. 	 Easy to Use - It is very easy to install the solar fountain and then leave it along in water. It starts to spray water after exposing in sufficient sunlight for seconds and stops to work after sunset. The water can rise up to 30-50 cm approximately, its spray water height depends on sunlight intensity. 	 Safety &amp; Maintenance Free - 100% powered by solar energy, it will never lead to electric leakage under no circumstances and completely secure for bird, fish or children. Meanwhile our solar fountain pump is well designed and does not require regular maintenance. 	 3 Nozzles - There are 3 nozzles in solar fountain pump package, which allows you to choose fountain watering pattern as per preference.  

Solar Water Fountain Garden

China Palm Air Conditioning & Equipment Co Ltd

   Utilize the existing water tank, radiator and other heating system and is idea equipment for home upgrading.   Built inside solar connection program enable solar for hot water and air heating together.   Excellent auto defrost for keeping heating during 0-25&deg;C.   even in electric power off accident, it still can keep no freeze for several days.   Special patent outdoor design to prevent the ice building during winter heating. Built in crankcase heater to protect compressor during winter.   One water tank with expansion tank and backup electric heaters, other hydraulic components built inside.   Timers on/off for you to choose the lowest electricity price period for operation to save your bill the most.   Top brand components to ensure quality, reliability and save maintenance cost.   Reliable quality for saving maintenance cost:   Top brand in the world.   Heat exchanger: SU316 stainless plate heat exchanger.   The compressor: Daikin, Hitachi, Toshiba, Sanyo brand.   Heat expansion valve: Emerson brand.   Optional water pump: Wilo brand from Germany.   Four way valve: Saginomiya brand of Japan.  

Air to Water Heat Pump

   Utilize the existing water tank, radiator and other heating system and is idea equipment for home upgrading.   Built inside solar connection program enable solar for hot water and air heating together.   Excellent auto defrost for keeping heating during 0-20&deg;C.   Even in electric power off accident, it still can keep no freeze for several days.   Special patent outdoor design to prevent the ice building during winter heating. Built in crankcase heater to protect compressor during winter.   One water tank with expansion tank and backup electric heaters, other hydraulic components built inside.   Timers on/off for you to choose the lowest electricity price period for operation to save your bill the most.   Top brand components to ensure quality, reliability and save maintenance cost.  Reliable quality for saving maintenance cost:
   Top brand in the world.   Heat exchanger: SU316 stainless plate heat exchanger.   The compressor: Daikin, Hitachi, Toshiba, Sanyo brand.   Heat expansion valve: Emerson brand.   Optional water pump: Wilo brand from Germany.   Four way valve: Saginomiya brand of Japan.  

Air Source Heat Pump

Megawatt New Energy Technology Co., Ltd

This presented solar pumping inverter coverts power from DC to AC with high efficiency. Professionally engineered, it offers full protection against lighting, over-voltage, under-voltage, over-current and overloading. It is great for agricultural irrigation, water supply, desalination and so on.
 
  CE certified. 
  Processed under strict quality control. 
 

Solar Pumping Inverter

Zhenjiang Skysol Co Ltd

   Composed of solar panel array/pumping inverter and 3 phase AC deep well pump.   Adapting dynamic VI maximum power point tracking control method, fast response and stable operation.   Power: 370W to 37kW.   Lifting head: 280m.   Good power modules, automatic operation and complete protection functions.   Data acquisition storage: up to 8 years.   Conversion efficiency: up to 98%.   Applications: agricultural/forestry irrigation, desert control, pasture animal husbandry, water supply for islands and mountains.   Solar panel: 20 years.   Solar inverter: 5 years.   AC pump: 1 year.  

Solar Submersible/Deep Well Pump with Up to 280m Lifting Head for Irrigation Use

Shenzhen Gamepaq Technical Co., Ltd.

Displayed is a solar irrigation system for watering lawns and gardens using solar energy. With special hi-tech design, this irrigation system is portable and can be adjusted according to your needs. This solar irrigation system must be fully charged before first usage and must be kept away from freezing water in cold weather.
 
  Pressure from the sun moves rainwater with the sun. 
  ME140X high-efficient moveable solar-powered irrigation system with advanced technique of Maximum Power Point Tracking (MPPT) solar energy power supply system. 
  For&nbsp;watering lawns, gardens and farmlands, etc. 
  Portable and simple installation for DIY. 
  The height of panel can be adjusted.&nbsp; 
  The tilting angle of the panel can be adjusted.&nbsp; 
  System auto on/off when water spray on/off. 
  MPPT control board with system status indication.&nbsp; 
  Solar panel: monocrystalline 40W&nbsp;17.5V.&nbsp; 
  Panel size: 550 x 5,300 x 25mm.&nbsp; 
  Built-in lead-acid battery: 12V 16Ah. 
  Built-in pump: 65W 12V DC 35m head 12L/min. 
  Inlet: 12.7mm. 
  Outlet: 12.7mm.&nbsp; 
  20m hose reel. 
  Product size: 720 x 550 x 1,000mm 20kg. 
  2-3 continuous hours after 8 hours of&nbsp;charging in the sun.&nbsp; 
  Includes: solar panel, panel holder,&nbsp;main box,&nbsp;tripod,&nbsp;inlet hose reel and&nbsp;outlet hose reel. 
  Notice: the system needs to be charged in the sun with a minimum of 8 hours&nbsp;before. 
  The battery must be&nbsp;fully charged before first usage. 
  Caution: do not keep the water in the machine when the outdoor temperature is below 0&deg;. 
  Impure water will damage the pump. 
 

Solar Irrigation System

This highlighted solar pumping controller utilizes the MPPT technology. It automatically tracks the maximum power point of solar panel, achieving high efficiency up to 99%. Featuring the vector control technology, it ensures enhanced stability and reliability. This solar pumping controller is ideal for various applications such as agricultural irrigation, water supply, desalination, etc.
 
  Rated power: 144W. 
  MPPT voltage: DC 22-42V. 
  Maximum input voltage: DC 44V. 
  Rated input current: 5A. 
 

Solar Pumping Controller

Shenzhen Giant Electric Tech Inc

 	 Pump Dimension: L52 x W55.4 x H40.4(mm) 	 Voltage: 5 - 24VDC 	 Static Flowrate: 60 - 300LPH 	 Static Water Head: 0.3 - 3meters  

DC Solar Submersible Pump

 	 Pump Dimension: L86.5 x W60 x H110(mm) 	 Voltage: 6 - 24VDC 	 Static Flowrate: 600 - 1800LPH 	 Static Water Head: 3 - 15meters  

DC Hot Water Booster Pump

   Air conditioning heating, cooling and clean sanitary water heat pump heater.   Two water tanks built inside. A/C and DHW tank.   Super easy installation.   Can work in very cold weather, -25C.   High COP&nbsp;4.2.   Separate water cycle for air conditioning and domestic water.   4 times energy saving as normal gas or petrol heater.   1/4 of normal bill help you to win the whole unit free in one year.  Main characters: 
   Super easy installation no additional water tank needed.   Can be connected with solar water heater system.   Fault self diagnosis and warning function.   From the functions, we have designed the unit specially according to the requirement of the European countries for the propose of environment protection. Also some special functions to be applicable with the requirements for the healthy caring.   For example, our unit has the sterilization function. That is the water in the tank for the shower, will be heated to a very high temperature for some hours every period to kill virus.   From the design, our have two separate parts: indoor unit and outdoor unit.   Only the indoor unit has the water recirculation.   The outdoor unit has no water recirculation.   It avoids the most dangerous problem of water freezing.   We also have some special treatment and protection for the super cold weather up to-20 centigrade.   With smart design, even when power off, it still can keep no freeze for several hours.   Our super model heating capacity and COP are also much improved than normal model.   Our system has two water tanks built inside.   One for domestic hot water, second for air conditioning heating and cooling.   It contain 3 circuits built inside.   One is for refrigerant, the other two are for water.   The following hydraulic components are built inside to simplify installation work.   Domestic hot water pump.   Air conditioning water pump for 12kW.   Expansion vessels.   Filling system.   Water tanks.   Purging system.   Safety valves.   Water filter.   Manometers.   The above parts are all installed and preset in the factory.   It can save 80% installation time and can save several thousand EURO labour cost.   Our parts are always chosen with the top brand in the world.  

Hot Water Heat Pump Three In One

Shandong Hualv Food Waste Recycle Technology Ltd

 General: 
 In order to meet the needs of pump market, our company developed the new generation stainless steel pump CDG(F) with the feature of power-saving, light, high efficiency, low noise, operational safety, convenient maintenance, no pollution, and so on. The main parts of pumps are made of high-quality stainless steel. Contribute to the vertical and coaxial design, the pumps cover a small area, connect the pipeline easily, and it is very convenient to install and overhaul. 
 &nbsp; 
 Field of application: 
 CDG(F) stainless steel multistage centrifugal pumps are widely used in liquid transporting, the circulation of clean water and voltage increase. The medium is clean water without solid particles or liquid like water in physical or chemical property. 
 &nbsp;  Technical index 
 Capacity:&nbsp;&nbsp;&nbsp;&nbsp; Q=0.6 m  &sup3;  /h  &nbsp;  ～ 72&nbsp;  m  &sup3;  /h 
 Head:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; H=8  m  ～187  m 
 Medium temperature:&nbsp;&nbsp; T= -15  ℃  ~120  ℃ 
 Environmental temperature:&nbsp; the highest 40  ℃ 
 The min. inlet pressure:  &nbsp;  ＞NPSH 
 The max. inlet pressure:  &nbsp;  0.6MPa~1.0MPa 
 &nbsp; 

Vertical Multistage Centrifugal Pump

 General Introduction: 
 QJC series stainless steel submersible motor pump complies with standard GB/T25409-2010, the manufacturing license NO. is XK06-003-00419. It is the new generation water-supplying equipment developed by our own engineers, who use advanced hydraulic model, give full consideration to well submersible motor pumps and small submersible pumps in the structure characteristics. The inner components and impeller are made of stamping-welded stainless steel. It has the feature of environmental production, long life, light weight, corrosion resistance and so on. I t could be safely operated within all head range as well as widely used in drinking water of industrial and mining enterprise, water supplying and drainage project for city and town and water for food processing. 

 Basic features 
 ※ Non-polluting, corrosion resitant, stainless steel construction inside and out. 
 ※ The high-performance, high efficiency stainless steel impeller is one of the most special features, it is superior to ordinary plastic or brass impellers in terms of abrasion ressistance and service life 
 ※ The stainless steel strainer can prevent the entry of sand or other extraneous material. 

Stainless Steel Submersible Water Pump

Jiagmen Phipsun Electric Appliances Co Ltd

This electrical water heater makes use of the latest technology and high tech compressor for providing highly efficient and environmentally friendly water heating services. It is equipped with a zinc reinforced casing for enhanced durability.
   Utilizing high efficiency, environment protecting working substance;   Using the world top brand compressor-Copeland Scroll Compressor as the heat pump main unit.   Special heating zinc coating casing with UV resistance surface painting, anti-corrosion above 20 years.   Smart micro computerized defrosting system, totally solves the problem of making heat in winter.   Making use of technologies of wide operational mode, medium temperature and low pressure, large air and heat control, highly increasing heating efficiency.   Above 32% energy saving efficiency comparing with other common electric water heaters under low temperature environment use.   Circulating heating &amp; instantaneous heating available, reducing project cost.  Technology parameter: 
   Rated heating (kW): 6.9/6.9.   Rated output heated water: (L/h) 150/150.   Rated input power (W): 1700/1700.   Applicable environment temperature (&deg;C): -7~43/-7~43.   Noise (dB (A) ): 43/50.   Net weight (kg): 48/48.   Diameter of pipe: 3/4&quot;, 3/4&quot;.   Rated output water temperature (&deg;C): 55/55.   Rated hot water operational mode: EDB/EWB temperature: 15&deg;C/20&deg;C, input water temperature 15&deg;C, output water temperature 55&deg;C;   Applications: hotel, hospital, school, bathroom.  

Heat Pump Water Heater

   Rated heating (kW): 3.282, 4.366, 6.915.   Rated output hot water (L/h): 70, 95, 150.   Rated output water temperature (&deg;C): 55, 55, 55.   Rated power input (W): 915, 1200, 1700.   Outer dimension (mm: ) 850 x 320 x 540, 850 x 320 x 540, 850 x 320 x 540.   Noise level (dBA): 43, 43, 50.   Main unit weight (kg): 30, 36, 41.   Water tank recommended (L): 100~200, 100~300, 150~500.   Power supply (V/Ph/Hz): 220/1/50, 220/1/50, 220/1/50.   Use environment temperature (&deg;C): -10~40, -10~40.  Environmentally friendly:   There is no waste water, waste residue, used heat, the waste gas discharged. It will   Not produce any pollution to the atmosphere and environment.  Easy to install:   The unit can be installed in the outdoor vacant lot, the roof, the balcony, the places like the large-scale garage parking, story of the equipment, etc., no special equipment room is necessary.  Modular controlling function:   As per the actual requirements, one or more units can be added to combine a heat water supply system, which are controlled by modular. Automatically adjust the running period and the program, which can ensure the right running and high efficient water supply.  Convenient operation:   The system is controlled by the microcomputer. It can switch on and off automatically as per the water temperature.  Defrost automatically:   The intelligent flexible defrosting program can establish the parameter of defrosting and control the scheme according to the climatic conditions of different areas, enable defrosting more completely, more flexible, energy-conservation.  Auto switch on/off function:   The user can set the auto start time of the system. Running at vale period saves the cost.  Auto anti-freezing:   Auto anti-freezing function ensures the water system not to be cracked in very low ambient temperature.  Automatic energy balance:   According to ambiguous controlling principle, the unit checks the load dynamically. When the unit reaches the setting temperature, the unit keeps the load in balance. Thus running in the summer under very high ambient temperature will not be overloaded, and in the winter under low temperature runs stable and efficiently.  Business water resource center:   It is especially suitable for the hotel, sauna center, motel, school, industrial shower center and indoor swimming pull.   Xiang quan bao pre-instant heating type holistic air source water heater series is one of the high efficiency, energy saving and eco-friendly products of Phipsun.   A central hot water system is to supply hot water at multi-points at the same time through the large capacity hot water preservation tank, it is specially suitable to be used at the big house, multiple building or apartment, villa, etc, where there are 2 or more washing rooms.   With its world famous brand components, smart control system, stable hot water output, short pre-heating time, it can be your ideal hot water heater equipment.  

Air Source Heat Pump Water Heater

 This air source water heater comes in a stylish design with energy saving and eco-friendly features. The air source water heater is easy to control with a smart colored display. The hot water provided by this water heater flaunts constant temperature, bringing you utmost comfort and enjoyment.    Simple control: smart personality colored display, easy to operate.   Stable water temperature: constant temperature of hot water brings you comfort and enjoyment.   Sufficient storage: multi-point hot water supply without shortage, you could enjoy the capacity and water pressure assurance.   Reasonable price: higher than conventional water heater equipment, but precious life wins all.   Convenient installation: anywhere is available to install, no need to destroy building con-structure.   Multi-points hot water supply: supplying many rooms hot water together only need one unit, then you can enjoy the stars.   Energy saving and eco-friendly: Low power consumption, high efficiency, no exhaust emission, it is regarded as the environment protection expert on the Earth temperature reducing.   Safety and protection: water and electricity separation without leakage and parch, it is the newest generation water heater with safe, energy saving and environment protection.   Durable and long life: with world brand components and integrated strengthened technology of international top standards, the unit can work for more than 10 years.   Fashion and first class: enjoying high level with hot water, creating quality life.  

   Type: heat pump water heater.   Installation: freestanding.   Storage/tankless: instant and tankless.   Housing material: stainless steel.   Use: villa, bathroom.   Certification: ISO 9001:2008, CCC, AAA.   Color: bright.   Quality: high.   Design: elegant.   Appearance: beautiful.   Energy consumption: save.   Style: modern.   Operation: convenient.   Pollution: no.   Lifetime: more than 10 years.  Working principle: 
   Heat pump water heaters use electricity to move heat from one place to another instead of generating heat directly. Therefore, they can be two to three times more energy efficient than conventional electric resistance water heaters. To move the heat, heat pumps work like a refrigerator in reverse.  Advantage: 
   Utilizing high efficiency, environment protecting working substance.   The newest generation touch type auto smart computerized control system, multi system protection functions.   Smart micro computerized defrosting system, totally solving making heart problem in winter.   Short pre-heating time, stable output water, clean, health and with sterilization function.   Unique pipe conduit bottom layout technology, heating stable, realizing vertically, super heating and stable temperature hot water preserving.   Novel outer design, S.S. 304 drawbench material for outer covering, whole sterile standout, luxury noble, novel fashion.   Simple, facility and quickly installation, exclude complex installation produce.   Can be household decoration (the icing on the cake).  

Luxury Fast Hot Water Output Heat Pump

   New generation heat pump product developed with the most advanced heating technologies.   Utilized the energy from surrounding air and converts it to the hot water for source air conditioning heating-cooling and domestic hot water supply.   Strictly tested with our European partners to make sure the best quality.   Super low working temperature: -15 degree to 43 degree.   Top brand components, such as Daikin compressor, Siemens, Wilo.   For the most reliability &amp; quality.  Striking characters distinguish from other products: 
   High efficiency and energy saving.   Environmental friendly refrigerant R410A.   Emorsion expansion valve to make the accurate regulation.   Pressure protection low temperature production to keep the system safety.   A/C tank inside, easy installation.   House heating, house cooling, domestic hot water functions in one system.  Other characters: 
   Stainless steel plate heat exchanger with maximum pressure 40 bar.   Microprocessor control and error alarm and display.  

Monobloc Air Source Heat Pump

Hengxin Precision Electrical Equipment Co., Ltd.

MTP1 Delay-Reset Thermal ProtectorKEY BENEFITS:
*Diamond shape, small size
*Good pressure resistance
*Rapid response to high-sensitive temperature and current
*Rapid response
*Protect on the safe side(cutoff lock self, reset after break down)

Using scope:
*Applies to the AC motor, coils, electromagnets, Water boilers, DC motor, generator, solar water heater, hot air driers, liquid pumps, transformers and similar household electrical appliances.&nbsp;Key Technical

Parameters:
*Rated voltage: 50/60HZ, 250V, AC
*Nominal current: 2.5 (1.6) A,/10 (6.3) A ，COSФ =1.0 (0.6)
*Rated opening temperature range: +60 ℃ ~+160 ℃, take 5 ℃ as a grade

Authentication Certificate: VDE
We are now applying for the UL Certificate.

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