Variheat Mk2 Cast Iron Boiler

Hamworthy PV140c 140kW Purewell Variheat MK2

Units PV140c
Energy
Building regulations – seasonal efficiency (%) gross 95.7
ErP efficiency rating (modules ≤ 70 kW only) N/A
Boiler output (non-condensing) mean 70°C – max kW 134.4
Boiler output (non-condensing) mean 70°C – min kW 44.8
Boiler output (condensing) mean 40°C – max kW 140
Boiler output (condensing) mean 40°C – min kW 46.67
Gross boiler input – max kW 151.3
Gross boiler input – min kW 50.4
Net boiler input – max kW 136.3
Net boiler input – min kW 45.4
Water
Water content litres 11
System design flow rate @ 20°C ∆T rise l/s 1.7
Water side pressure loss @ 20°C ∆T rise mbar 134
System design flow rate @ 11°C ∆T rise l/s 3
Water side pressure loss @ 11°C ∆T rise mbar 442
Maximum water pressure bar g 6
Gas
Gas flow rate natural gas (G20) – max m3/hr 14.4
Nominal inlet pressure natural gas (G20) – max mbar 20
Maximum gas inlet pressure natural gas (G20) mbar 25
Flue
Flue Gas Flow [email protected] 15°C, 9.5% CO2 m3/hr 180
Approx. flue gas temperature @ 50/30°C °C 50
Approx. flue gas temperature @ 80/60°C °C 70
Pressure at boiler flue spigot @full load Pa 100
Dry NOx emission* mg/kWh 32
Connection
Water flow/return connections inches R2”
Gas inlet connection pipe thread size inches R1”
Nominal flue diameter (I/D) mm 150
Electrics
Electrical supply 230 V 1 Ph 50 Hz
Power consumption @ max W 207
IEC power outlet power consumption @ max W 460
Start current and run current Amp 0.6
Approx shipping weight kg 250
Noise emission @1 m and @maximum boiler modulation Max dB (A) 65
CO2 (±0.25%) – max % 9.5
CO2 (±0.25%) – min % 8.5
*0% excess oxygen, dry air free, European Class 6