Product features

1. Vacuum hot water boiler in the lower part of the structure formed by the combustion chamber and heat transfer tubes; on the part of the vacuum chamber, which inserts the U-line tube bundle heat exchanger

2. The overall state of the boiler to run at negative pressure to ensure absolute safety. 

3. The furnace heat medium in a closed vacuum chamber for heat exchange, heat exchange efficiency, energy saving significant; Boiler for long life; Small size, can be installed in a variety of environments; automatic control of water temperature, record the burning time and run Failure;Can use for heating and hot water. 

Item/Boiler type	ZWSS0.12	ZWSS0.23	ZWSS0.35	ZWSS0.7	ZWSS1.05
Rated heat (Kcal)	100, 000	200, 000	300, 000	600, 000	900, 000
Control	On-off                High-low-off
Voltage (V)	SBL-100~300(220V)   220Vx3, 380Vx3
Distribution volume (KW)	0.1	0.37	0.37	1.1	2.2
Medium capacity in furnace(L)	166	236	264	411	532
Deaign fuel	Oil or Gas	Oil or Gas	Oil or Gas	Oil or Gas	Oil or Gas
Total weight (t)	0.82	1.1	1.25	2.02	2.68
Overall dimensions (L×W×H) mm	2060×1150× 1513	2260×1150× 1630	2350×1150× 1680	2592×1360× 1830	2831×1450× 2160