Keston Celsius 25 Ref: 114000a FEATURES & BENEFITS. One boiler for practically any domestic installation. Fully modulating 7kW to 25kW output. Flue can be extended 20 metres from boiler vertically or horizontally. Small diameter muPVC plastic flue system. Ultra-high efficiency up to 97% (GCV). Can save up to 30% on fuel bill. Integral standard domestic pump. Wall mounted, room sealed - can be sited virtually anywhere. Completely environmentally sound - minimal NOx and CO emissions. Suitable for sealed or open systems. In-built frost protection. Anti-cycle control. Stainless steel heat exchanger - 5 year guarantee. High output boilers from 38kW to 100kW also available.* All servicing access from the front so minimal top and bottom clearance required. Electronic spark ignition (no pilot) offering 5 ignition attempts. Optional back frame kit for routing pipes behind boiler.* Optional system kit to house expansion vessel and safety valve thereby making a system boiler.* Built-in pump and fan overrun. Pump and fan automatic exercise feature in periods of non-use, such as summer months and holidays, to prevent seizure. Compatible with all main external control brands via volt-free contacts or 230-volt signal. In-built water pressure switch and pressure gauge. In-built diagnostics with full fault diagnostic display on front of boiler capable of pinpointing the exact problem be it installation or boiler related. Even with an intermittent fault the memory will retain and record the cause. Full 1 year parts and labour guarantee.
Keston Celsius 25 LPG Ref: 114005 Keston Celsius 25 LPGFEATURES & BENEFITS. One boiler for practically any domestic installation. Fully modulating 7kW to 25kW output. Flue can be extended 20 metres from boiler vertically or horizontally. Small diameter muPVC plastic flue system. Ultra-high efficiency up to 97% (GCV). Can save up to 30% on fuel bill. Integral standard domestic pump. Wall mounted, room sealed - can be sited virtually anywhere. Completely environmentally sound - minimal NOx and CO emissions. Suitable for sealed or open systems. In-built frost protection. Anti-cycle control. Stainless steel heat exchanger - 5 year guarantee. High output boilers from 38kW to 100kW also available.* All servicing access from the front so minimal top and bottom clearance required. Electronic spark ignition (no pilot) offering 5 ignition attempts. Optional back frame kit for routing pipes behind boiler.* Optional system kit to house expansion vessel and safety valve thereby making a system boiler.* Built-in pump and fan overrun. Pump and fan automatic exercise feature in periods of non-use, such as summer months and holidays, to prevent seizure. Compatible with all main external control brands via volt-free contacts or 230-volt signal. In-built water pressure switch and pressure gauge. In-built diagnostics with full fault diagnostic display on front of boiler capable of pinpointing the exact problem be it installation or boiler related. Even with an intermittent fault the memory will retain and record the cause. Full 1 year parts and labour guarantee.
Keston Celsius 25 Sealed System Kit Ref: 114020a Keston Celsius 25 Sealed System Kit
Keston Celsius 25 Back Fram Boiler Only Ref: 114021a Keston Celsius 25 Back Fram Boiler Only
Keston Celsius 25 Back Fame System Boiler Only Ref: 114022a Keston Celsius 25 Back Fame System Boiler Only