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  4. Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series (Hirakawa Co., Ltd.)
Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series-VEC-25HEⅡ WH/WR type
Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series-Hirakawa Co., Ltd.

Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series
Hirakawa Co., Ltd.

About This Product

This is the renewal series of VEC-HE. In the spring of 2021, a can output of 930kW will be released, bringing the total to 6 models. This is a high-efficiency vacuum hot water heater of the gas-fired combustion type (excluding models with latent heat recovery device) that uses high-performance heat transfer tubes to achieve the highest thermal efficiency in a vacuum hot water heater. Compared to the VEC-ESNⅡ series, efficiency is increased by 4 to 6% and CO2 emissions can be significantly reduced. It is equipped with a new microcontroller, has an easy-to-read color display, and has improved performance.

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    Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series

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1 Models of Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series

Image Part Number Price (excluding tax) CO2 reduction amount (t-CO2/year) NOx (ppm) Heat transfer area (m2) Amount of heat transfer water held (ℓ) Control method Pressure loss (kPa) as above Safety equipment Rated output (kW) Air extraction device Maximum flow rate (t/h) Maximum working head pressure (MPa) Body exterior Hot water connection diameter Thermal efficiency (%) Fuel connection diameter Fuel consumption (m3N/h) Boiler output (kW) Design flow rate (t/h) Design hot water temperature (inlet/outlet) (℃) Operating weight (kg) Power capacity
Hot water heater High efficiency vacuum hot water heater VEC-HEⅡ series-Part Number-VEC-25HEⅡ WH/WR type

VEC-25HEⅡ WH/WR type

Available upon quote

11.9

60

9.9

245

3 positions (Hi-Lo-Off)

Heating/circulation: 6
Hot water supply: 4

Melting plug
temperature fuse
Dry firing prevention thermal fuse
vacuum pressure switch

Heating/circulation: 291
Hot water supply: 291

Diaphragm bleed pump, bleed solenoid valve

Heating/Circulation: 69.8
Hot water supply: 20.8

Heating/Circulation: 0.49
Hot water supply: 0.49

Color steel plate

Heating/circulation: 80A
Hot water supply: 40A

96

City gas 13A: 40A
LPG: 40A

City gas 13A: 26.8
LPG: 12.1

291

Heating/circulation: 25
Hot water supply: 4.17

Heating/Circulation: 60/70
Hot water supply: 5/65

1,450

Voltage (50/60Hz): AC200V 3 phase
Burner motor (kW): 1.0
Control related (kW): 0.7

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