Range of WC dual flush drop valves comprising of a plastic body, silicone seal and an internal overflow. The valve is operated via a push button or lever assembly for either full or reduced flush. Cold water use only.
Electronically controlled heat interface units (HIU) with twin stainless-steel plate heat exchangers providing space heating and instantaneous hot water. The cold inlet supply to the plate heat exchanger incorporates an isolation valve. The space heating circuit incorporates an expansion vessel and a pressure relief valve (set at 3.0 bar). The inlet and outlet of all circuits incorporates lever operated spherical valves with brass bodies. 274.xx9x.696 models all have the following additional items over the 274.xx1x.696 models: Heatmeter on the primary circuit, a flushing bypass between the primary and space heating circuits and a safety relief valve (set at 10.0 bar) on the cold supply to the heat exchanger of the domestic hot water circuit. Maximum working pressures and operating temperatures: Primary: 16.0 bar and 90˚C. Domestic hot water (DHW): 9.5 bar and 60˚C. Secondary (space heating): 2.5 bar and 85˚C.
Shower waste water heat recovery unit, consisting of a PVC-U waste pipe with an internal copper tube which provides a double wall separation between the waste water and cold mains supply. Maximum working pressure 10.0 bar. Maximum operating temperature 30°C.
Range of wall mounted combination boilers providing domestic hot water via a plate heat exchanger and pressurised central heating system. Incorporating a pressure relief valve and expansion vessel. Primary circuit has a maximum working pressure of 3.5 bar and operating temperature of 85°C. Secondary circuit has a maximum working pressure of 10.0 bar and operating temperature of 60°C.
RINNAI range of wall mounted combination boilers.The unit incorporates a stainless-steel plate heat exchanger pressure relief valve set at 3.0 bar and an expansion vessel on the primary circuit. Maximum working pressure of primary circuit is 2.5 bar and secondary circuit is 10.0 bar. Maximum operating temperature 60˚C.
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