• 100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater
  • 100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater
  • 100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater

100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater

Warranty: 5 Years
Max. Capacity: >200L
Structure: Compact Type
Pressure: Unpressurized
Interior Material: Stainless Steel
Collector Components: Glass Vacuum Tube
Manufacturer/Factory & Trading Company

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Zhejiang, China
Years of Export Experience
The export experience of the supplier is more than 10 years
Management Certification
The supplier has quality management system certification, including:
ISO9001:2015 certificate
ISO45001:2018 certificate
Product Certification
The supplier's products already have relevant certification qualifications, including:
Environmental Protection
The supplier has relevant environmental protection qualifications, including:
-Environmental impact assessment report
-The company have EIA reply
-The supplier actual founding consistent with EIA acceptance comments
-Fixed pollution source pollution discharge registration
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  • Overview
  • Work Principle
  • Detailed Photos
  • Product Parameters
  • Installation Instructions
  • Quality Control

Basic Info.

Model NO.
Tank Insulation
CE, ISO9001, CCC
Circulation Type
Direct / Open Loop
Heat Preservation
Inner Tank Material
SUS304 or SUS316
Outer Tank Material
Color Steel, Stainless Steel
Bracket Material
Color Steel, Stainless Steel, Aluminuim
Outer Tank Color
Gray, White, Red etc
Color Steel Bracket Color
Gray, Black, Blue etc.
Side Cover Color
Always Same with Bracket
Optional 1
Built-in Electrical Heater, Controller
Optional 2
Assistant Tank
Optional 3
Magnesium Rod
Transport Package
Poly Bag Wrapped, Styrofoam Underlay, Carton
HS Code
Production Capacity
5000per Month

Product Description

50 Liter-500 Liter Cheap price&High Efficiency Unpressurized Vacuum Tube Solar Water Heater with CE Certificate
(50 liter, 60 liter, 80 liter, 100liter, 120 liter, 140 liter, 150 liter, 180 liter, 200 liter, 240liter, 250liter, 300liter, 360liter, 500 liter)

Quickly guidence 
a, Free brand/LOGO print based on 20GP/40HQ quantity
b, 1% freee spare parts
c, our factory audited by SGS, TUV and BV
d, Sea Port: Shanghai or Ningbo 
e, Payment terms: T/T, L/C, Western Union
f, Delivery time: 12 days after deposit in account
g, Certificate: Europe Solar Keymark EN12976/CE/CCC/ISO9001/ISO14001/ ISO45001


Work Principle


Non-pressure Vacuum Tube Solar Water Heater Work Principle
Through a thermo-siphon effect (in which hot water rises), hot water circulates between the collectors and the water tank while there is sun and is stored at the end of the day in an insulated tank.
100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater
Detailed Photos

100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater

Product Parameters

100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater

Technical parameter of compact non pressure solar water heater 
DESCRIPTION Non-pressurized  solar  water  heater
CAPACITY(TUBES-LITER) From 6tubes-60liter to 50tubes-500liter
MATERIAL  OF  OUTER TANK 0.4mm galvanized  steel/0.4mm  sus304 stainless  steel /0.4mm sus304-ba(bright)
MATERIAL  OF  INNER  TANK /0.31mm/0.4mm/0.5mm/0.6mm sus304-2b stainless  steel or sus316 stainless steeel
TANK  INSULATING LAYER 50-60mm  high-density  polyurethane  foamed
DIAMETER  OUTER/INNER TANK 420/310mm   460/360mm  470/360mm   480/360mm
ELECTRICAL  HEATER 1500w/2500w/3000w;   220v/110v
INLET  AND  OUTLET  HOLE Male 1/2",   3/4"
SOLAR COLLECTOR  TUBE 3.3  borosilicate  glass  with AL/AL-ALN/ALN(single target) or  CU/SS-ALN/ALN(three target)
ABSORPTION As=0.93-0.96(am1.5)
EMISSION RATIO Ε h=0.04-0.06(80c± 5c)
BRACKET: 1.2mm Stainless steel/1.6mm aluminum alloy/1.5mm galvanized  steel
STRUCTURE  OF  TANK: Usually   holes  for  air  vent, overflow, water  inlet  and  outlet, electric  heater; custom-built will be warmly welcomed.
WELDING: Automatic argon  arc  welding
FASTENING  PIECES: Stainless  steel  screw
SEAL MATERIAL Stabilized high temperature silicon
OPTION-1(WITHOUT ELECTRICAL HEATER): Assistant tank 3L, 5L, 8L,12L,30L,50L as a automatic watering part.
OPTION-2(WITH ELECTRICAL HEATER): Electrical heater as extra built-in heating part, controller control the system watering and heating automatically
100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater
Installation Instructions

Suitable both Flat roof and Pitched roof
100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater
Quality Control


100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater100L 200L 300L Tanque De Agua Unpressurized Cheap Solar Thermal Panel Water Heater

Vacuum Tube Solar Water Heater Features

1) Higher efficiency than Flat plate solar water heater
2) Operated completely automatic if connect with intelligent controller. 
3)Simple structure, easy plug-in installation, can be installed both on flat and inclined roof
4) Hot water every day, with an auxiliary built-in electric heater as back up power. 
5) 72 hours heat preservation ensured by one-off molding polyurethane foam with thickness 55mm. 
6) Food grade SUS304-2B stainless steel inner tank, meet the mankind healthy bath standard.
7) Eco-friendly and energy saving product.
8) Stable and reliable performance, well wind resistance. 
9) Widely used in Europe, North America, Mexico, South Africa market.
10) More than 10 years life time
11) Directly hot water or Pressurized close loop(heat exchanger) solar hot water system

 1, Fast delivery, 40 feet container quantity will deliver in 7 days. 
 2, Experienced sales team assistant you, fast confirmation for every related questions from you. 
 3, Rich experiences for differenct Market (countries), kinds of customized design will be welcomed. 
 4, Assistant you load other goods with solar water heater in one container. 
 5, Installation guide and train 
 6, LOGO print and water tank and cartons.

1. Is solar water heating a viable alternative to gas or electricity?
Solar should not be seen as a alternative to gas or electricity, but rather a supplement. Solar cannot totally replace the need for gas or electric heating as there are sometimes days when there is little sunlight. When averaged over a year, a correctly sized solar system can provide 60%-70% of a household's hot water needs. Providing more than this is unadvisable, as too much heat will be produced in the summer. The hot water system system can easily be automated so hot water is guaranteed regardless of sunlight levels.
2. How long will it take to recoup my investment? 
QIRUI solar collectors are much more affordable than many other solar hot water heaters. For a household of 4, the price of a full system may not be too much more than a new electric or gas system. Depending on you location (solar levels) and current hot water usage the annual electricity or gas saving will differ. However in a normal household that spends 25% of its electricity bill on hot water heating, the full cost of the purchase may be recouped as quickly as 4-5 years in reduced bills. You will definitely make considerable savings during the life of the solar hot water heater.

3. Can QIRUI solar collectors be used in cold conditions?
Yes. QIRUI collectors can be used in temperatures as low as -30oC, although performance is greatly reduced in such extreme conditions. Good heat output is still achieved in mild sub-zero conditions.

4. What happens if one of the tubes is broken?
Firstly, tubes are very strong and not easily broken, but if the worst should happen, solar tubes can be replaced very easily. They are inexpensive and available though your local QIRUI distributor. The HAINING QIRUI solar collectors can operate with several broken tubes, but the efficiency will be reduced, so it is recommended that broken tubes be replaced immediately.

5. Will water be heated on a cloudy day?
Yes. Although the heat output of the solar collector is reduced on overcast days it will still be able to provide heating. If it is a heavily clouded day or raining, then more gas or electric boosting may be required to maintain water at the required temperature. This system will be automated so you don't have to worry about running out of hot water on a rainy day.
6. Can I use a solar collector with my existing hot water system? 
Normally yes. Simple retrofit valves can often be used to allow solar to connect to your existing cold water inlet. If your tank cannot accept the solar input directly an additional storage tank can be installed to pre-heat the cold water prior to entering the existing tank.

7. Are the solar collectors noticeable on the roof?
If only the collector is mounted on the roof it should blend into the roof design quite well. HAINING QIRUI solar collectors are very thin and can be flush mounted on a roof. From a distance they look somewhat like a skylight. You may have to check with your local council regarding building restrictions when installing your solar collector. Click here to view installation photos. 

8. Can QIRUI solar collectors be mounted on a flat surface?
Yes they may be mounted on a flat roof, or on the ground by using a stainless steel Flat Roof Frame. The collector should be installed at a minimum of 20o angle to ensure optimal heat pipe operation.

9. How do I protect my solar system during subzero temperatures?
If you have a system that is operating in areas with subzero temperatures then freeze protection must be implemented. The easiest means of preventing freezing is to use a controller with a low temperatures setting, so when the manifold temperature drops below a certain pre-set temperature (5oC/40oF), the pump will circulate, warming the collector with water from the bottom of the storage tank. The pump will not run continually, just periodically, the frequency of which will depend on the outside temperature. In extremely cold areas, a closed loop using a glycol/water mix may be appropriate.
10. Will the QIRUI solar collector be a fire hazard during hot, dry weather? 
No. The QIRUI solar collector's components are all high temperature rated and non-flammable so even during strong sunlight with the circulation pump turned off (stagnation), the system will not catch alight or give off any sparks. The majority of the solar collector's components are stainless steel, aluminium, glass or glass wool. The manifold outlet should be fitted with a temperature relief valve, which will prevent the manifold temperature from exceeding 99oC / 212oF.


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