The compact, high efficiency Clas HE 38 FF Condensing Combi Gas Boiler gives the user the edge thanks to Heatandplumb.com's amazingly low prices and effortless installation.
This Clas HE 38 FF Condensing Combi Gas Boiler can be summed up in 3 words - efficient, economic, and easy. The easy-to-use controls make life simple for engineers and homeowners alike.
Perfect for most domestic applications, this boiler has a host of optional accessories.
| Heat input max. | 42.2 - 144,000 kW - Btu/h |
| Heat input min. | 8.3 - 28,300 kW - Btu/h |
| Heat output max. (C.H.) | 30.0 - 102,300 kW - Btu/h |
| Heat output max. (D.H.W.) | 38.9 - 132,700 kW - Btu/h |
| Heat output min. | 7.1 - 24,200 kW - Btu/h |
| Central heating temp. max. (high temp.) | 82 °C |
| Central heating temp. min. (high temp.) | 35 °C |
| Central heating temp. max. (low temp.) | 45 °C |
| Central heating temp. min. (low temp.) | 20 °C |
| D.H.W. temperature max. | 60 °C |
| D.H.W. temperature min. | 36 °C |
| D.H.W. F/R - 35°C | 15.6 L/min |
| D.H.W. F/R - 35°C | 3.4 Gal/min |
Characteristics |
| Min. ambient temperature | 5 °C |
| D.H.W. min. flow rate | 2 L/min |
| Domestic hot water pressure max. | 7 bar |
| Domestic hot water pressure min. | 0.3 bar |
| Expansion vessel capacity | 8 L |
| Expansion vessel pre-charged pressure | 0.7 bar |
| Max. water content of system | 100 L |
| Max. heating pressure | 3 bar |
| Servicing clearances - top/front/bottom | 300/450/300mm |
| Servicing clearances - left/right | 5/5mm |
| Zero compartment ventilation | Yes |
| Weight | 35 |
