Vacuum tubes unpressurized solar water heater for domestic (240L) - SDTJ

1.Non-pressurized solar water heater, 2.CE,ISO9001 certification, 3.Anti-frozen heat preservation, 4.Service life for 15 years - more info check here: http://www.sourcingappliances.com/Vacuum-tubes-unpressurized-solar-water-heater-for-domestic-240L-11255119/

Quick Brief

Type: Evacuated Tube Pressure: Unpressurized Circulation Type: Direct / Open Loop (Active) Heating System: Thermosyphon (Passive) Connection Type: Direct-Plug Installation: Freestanding Housing Material: color plate Certification: CE, ISO9001,CCC Capacity: 240 Place of Origin: Zhejiang China (Mainland) Brand Name: Bojia solar water heater Model Number: SDTJ Outer tank cover color: Shallow red Ourer tank color: White Optional capacity: 120/150/180/200/240L Tubes quantity: 24 Frame materials: Galvanized sheet Frame color: Shallow red Frame angle: 45°(optional) Service life: 15 years Solar water heater style: non-pressurized

Product Features:

1.Non-pressurized solar water heater

2.CE,ISO9001 certification

3.Anti-frozen heat preservation

4.Service life for 15 years

Business Terms:

Port: Shanghai

Minimum Order Quantity: 1 Set/Sets

Supply Ability: 3600 Set/Sets per Month

Payment Terms: T/T,Western Union

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Vacuum tubes unpressurized solar water heater for domestic (240L)

Specifications and Product Details:

The tank of non-pressurized solar water heater detailed description:

Tank	Name	Materials	Thickness(mm)
	Out tank	Color plate	0.31
	Inner tank	Stainless steel	0.31
	Thermal insulation layer	Polyurethane frothing	50
Capacity	240L
Hole quantity	24
Tube pitch	75mm

The frame and vacuum tubes of non-pressurized solar water heater:

Frame:

1.Materials: Galvanized sheet

2.Thickness: 1.2mm

3.Angle: 45°

4.Holes quantity: 24

5.Color:Shallow red

Vacuum tubes:

1.Materials:Borosilicate glass

2.Diameter:58mm

3.Length:1800mm

4.Service life:15 years

The specific parameters of the non-pressurized solar water heater:

Product name	Vacuum Size(mm)	Model	Capacity(L) (D360inner tank)	Capacity(L) (D380ninner tank)	Lighting area(sq) (D58*1800)	Maximun Pressure (Mpa)
SDTJ-Vacuum Solar water Heater	D58*1800 Tube pitch: 75mm	Q-B-J/D-15	110	123	1.66	0.05
		Q-B-J/D-18	132	148	2.00	0.05
		Q-B-J/D-20	146	165	2.22	0.05
		Q-B-J/D-24	176	200	2.67	0.05
		Q-B-J/D-30	220	250	3.35	0.05
		Q-B-J/D-35	253	292	3.91	0.05

The working principle of unpressurized solar water heater:

Non-pressurized solar water heater of all glass evacuated tube collector integrated with storage tank are ideal for use in home and other appliance where cheap. Reliable hot water supply is required.They are simple economical and practical.
As the specific gravities of hot water and cold water are different. Cold water goes downwards and hot water goes upward.
When the cold water in the evacuated tube is heated. it becomes lighter and goes to the water tank .while cold water in the tank goes to the evacuated tubes.
Through this circulation .the cold water in the tank will be gradually heated.

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