Wholesale 50L- 500L All Stainless Steel Solar Hot Water Heating System Price High Efficiency Low Pressure Direct Vacuum Tube Solar Geyser Water Heater for Home

Product Description

All stainless steel solar boiler 50l 60l 80l 100l 120l 140l 150l 160l 180l 200l 240l 250l 300l 360l 400l 450l 500 liter Solar geyser High efficiency Non-pressure solar water heater System
Quickly guidance
a, Free brand/LOGO print based on 20GP/40HQ quantity
b, 1% free spare parts
c, our factory audited by SGS and TUV
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
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.
Detailed Photos
Product Parameters

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	0.4mm/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"
MAX PRESSURE	0.06 Mpa
SOLAR COLLECTOR TUBE	3.3 borosilicate glass with AL/AL-ALN/ALN(single target) or CU/SS-ALN/ALN(three target)
THICKNESS OF GLASS TUBE	1.6mm
VACUUM TUBETIGHTNESS	P≤ 0.005 pa
ABSORPTION	As=0.93-0.96(am1.5)
EMISSION RATIO	Ε h=0.04-0.06(80c± 5c)
IDLE SUNNING PROPERTY PARAMETERS	Y=220~260m². C/kw
AVERAGE HEAT LOSS COEFFICIENT	Ult=0.6~0.7w/(m2. c)
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

Installation Instructions
Suitable both Flat roof and Pitched roof
OUR SERVICE
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.
FAQ
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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