Potterton 4S, 55kW Derwent Compact Plus Condensing Boiler Ref: S07500 Potterton 4S, 55kW Derwent Compact Plus Condensing Boiler* Automatic ignition * 2-stage on all models * Competitive pricing * Low NOx - Class 5 * Part L2 Efficiencyfull load 86% grosspart load 93% gross * Volt free contacts * Quiet operation * Rear connections * Lifetime guarantee on cast iron primary and stainless steel secondary heat exchangers (subject to condtions) * Pipework & system controls options available * ECA listed
Potterton 6S, 90kW Derwent Compact Plus Condensing Boiler Ref: S07501 Potterton 6S, 90kW Derwent Compact Plus Condensing Boiler* Automatic ignition * 2-stage on all models * Competitive pricing * Low NOx - Class 5 * Part L2 Efficiencyfull load 86% grosspart load 93% gross * Volt free contacts * Quiet operation * Rear connections * Lifetime guarantee on cast iron primary and stainless steel secondary heat exchangers (subject to condtions) * Pipework & system controls options available * ECA listed
Potterton 8S, 125kW Derwent Compact Plus Condensing Boiler Ref: S07502 Potterton 8S, 125kW Derwent Compact Plus Condensing Boiler * Automatic ignition * 2-stage on all models * Competitive pricing * Low NOx - Class 5 * Part L2 Efficiencyfull load 86% grosspart load 93% gross * Volt free contacts * Quiet operation * Rear connections * Lifetime guarantee on cast iron primary and stainless steel secondary heat exchangers (subject to condtions) * Pipework & system controls options available * ECA listed
