Section Code 1465 : Combination boilers and Water Jacketed Tube heaters. Low volume water content. Heat retained in water heaters will cause expansion of water after closure of draw-off taps and valves. Provision for expansion of water must be made to accommodate excess pressure within the system. Particular care is required where check valves are positioned, or loose jumper valves are thought to be upstream of the heater.
Back To Directory SectionsRange of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. The primary circuit incorporates a pressure relief valve set at 3.0 bar and an expansion vessel. The secondary circuit (DHW) incorporates a plastic flow restrictor and stainless-steel filter. The primary and secondary circuit incorporates isolation valves on the flow and the primary also has one on the return. Maximum working pressures: Secondary DHW: 10.0 Bar Primary CH: 2.5 Bar Maximum operating temperatures: Secondary DHW: 65.0°C Primary CH: 85.0°C
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