‘Comet’ combination units consisting of a cased and insulated stainless steel unvented hot water storage cylinder. The cylinder primary circuit is fitted with an in-line electrical heater which supplies the heat source to the secondary water via a stainless-steel coil, and the heat source to the central heating circuit directly. The cylinder is factory fitted with a temperature and pressure relief valve, pre-set at 7.0 bar 90 degrees. The unit is supplied with an inlet control group containing a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2), pressure reducing valve set at 3.0 bar and an expansion relief set at 6.0 bar. An expansion vessel is factory fitted to both the secondary and primary circuits within and is positioned inside the casing. The primary circuit also incorporates a circulating pump and pressure relief valve which is set at 3.0 bar. Maximum secondary working pressure 5.5 Bar Maximum Primary working pressure 2.5 Bar Maximum operating temperature 65.0 °C
Range of 2, 3 or 4 way manifolds with a brass body. Maximum working pressure 10.0 bar. Maximum operating temperature 60°C.
Vacuum relief valve with a DZR brass body. Maximum working pressure 16.0 bar. Maximum operating temperature 99˚C
Wall mounted, exposed, manual blending valve (chromium plated brass), incorporating a ceramic cartridge headwork with a single lever operating member controlling both flow and temperature. The outlet incorporates an approved check valve cartridge, however, the complete product has not been fully tested to demonstrate it provides backflow protection. Maximum working pressure 5.0 bar. Maximum operating temperature 65°C.
Range of deck mounted, manually operated, concealed blending valves with chromium plated brass bodies and either brass or stainless-steel trim (see model). The product incorporates a ceramic cartridge headwork with a single lever operating member. The product is supplied with a stainless steel braided PEX lined flexible hose assembly incorporating a ¾” captive nut end connection for installation on the outlet. Maximum working pressure 10.0 bar. Maximum operating temperature 65°C.
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