Heat Pumps
Activair Air to water heat pumps provide energy saving solutions to hundreds of homes across the UK. Activair works in a very similar way to a domestic refrigerator, utilising a working fluid driven around a refrigerant circuit containing four components - an evaporator, a compressor, acondenser and an expansion valve.
The refrigerant liquid circulating within the system has aboiling point as low as -40°C and evaporates when absorbing heat from ambient air. Thismeans it's possible to extract considerable heat from extremely low temperatures. Theresulting refrigerant gas is then compressed, adding more heat energy and raising its temperature. This heat is then passed via the heat exchanger into your home for use in your hot water cylinder.
It is vitally important when designing heating systems to ensure the heating flow temperature is kept as low as possible. This will enable the Heat Pump to run at optimum efficiency. The coefficient of performance, or COP, of a heat pump is the ratio of the output heat to the input supplied. An air source heat pump operating at COP of 3.0 will provide 3kW of heatoutput for every 1kW of unit input (energy consumed).

BHPPI-R06W-AC16
Lewden HPPI-R06W-AC16 PRO 6 Way Heat Pump IP20 Consumer Unit with 16A Type B-HP RCBO, B6 & B20 RCBOs and SPD
£244.86(inc. VAT)

BHPPO-07MG-AC25
Lewden HPPO-07MG-AC25 PRO65 7 Way IP65 Heat Pump Consumer Unit with C25 Type B-HP RCBO, B6 & B20 RCBOs and SPD
£283.39(inc. VAT)

BHPPO-07MG-A
Lewden HPPO-07MG-A PRO65 7 Way IP65 Heat Pump Consumer Unit with B6 & B20 RCBOs and Type 2 SPD
£131.81(inc. VAT)

BHPPO-07MG-AC16
Lewden HPPO-07MG-AC16 PRO65 7 Way IP65 Heat Pump Consumer Unit with C16 Type B-HP RCBO, B6 & B20 RCBOs and SPD
£283.39(inc. VAT)

BHPPO-05MG-1
Lewden HPPO-05MG-1 PRO65 5 Way IP65 Heat Pump Consumer Unit with 100A Type B RCD, B6 & B20 RCBOs and SPD
£220.48(inc. VAT)

BHPPI-R06W-AC25
Lewden HPPI-R06W-AC25 PRO 6 Way Heat Pump IP20 Consumer Unit with C25 Type B-HP RCBO, B6 & B20 RCBOs and SPD
£244.86(inc. VAT)

BHPPI-R06W-A
Lewden HPPI-R06W-A PRO 6 Way Heat Pump IP20 Consumer Unit with B6 & B20 RCBOs and Type 2 SPD
£93.29(inc. VAT)

BHPPI-R04W-1
Lewden HPPI-R04W-1 PRO 4 Way Heat Pump IP20 Consumer Unit with 100A Type B RCD, B6 & B20 RCBOs and SPD
£181.18(inc. VAT)

ALU-A-180-KIT2
Project C RV ALU-A-180-KIT2 Aluminium Acoustic 180mm Dia Ducting Kit 2 C/W Grilles Wall
£228.92(inc. VAT)

ALU-A-160-KIT2
Project C RV ALU-A-160-KIT2 Aluminium Acoustic 160mm Dia Ducting Kit 2 C/W Grilles Wall
£219.38(inc. VAT)












