Section Code 1890 :
Back To Directory SectionsMitsubishi EHWT17D-MHEDW indirectly heated stainless-steel unvented storage cylinder consisting of plate heat exchangers. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 7.0 bar and 90˚C. A safety kit (manifold) consisting of an approved single check valve cartridge (verified by test as suitable for backflow protection against Fluid Category 2), strainer, a pressure relief valve set at 6.0 bar and pressure reducing valve set at 3.5 bar. The space heating circuit is factory fitted with a pressure relief valve fitted rated at 3.0 bar and an automatic air vent. A tundish, expansion vessel and filling loop are also supplied. Maximum secondary (wholesome) circuit working pressure: 5.5 bar. Maximum Space heating (primary) circuit working pressure: 2.5 bar. Maximum brine/ambient circuit working pressure: 9.5 bar. Maximum operating temperature 70°C
‘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 “MEGAAIR” bubble top indirect and direct single coil unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 10.0 bar@90˚C. A safety kit (manifold) consisting of a single check valve assembly, verified by test (suitable for backflow prevention against fluid category 2), strainer, an expansion relief valve set at 8.0 bar and a pressure reducing valve set at 3.0 bar and a tundish is also provided. Alternative inlet control group and temperature and pressure relief valve added January 2023. Maximum working pressure: Secondary circuit: 7.5 bar. Primary circuit: 6.0 bar.
Non-metallic materials and components comply with BS6920 at 65°C
Centerstore ranges of Direct, Indirect, Solar Single, Solar Twin, Slim Direct and Slim Indirect stainless steel insulated unvented hot water storage cylinders with external expansion. The DHW circuit consists of a temperature and pressure relief valve set at 7.0 bar and 90°C, an inlet control group consisting of a pressure reducing valve adjustable between 2.7 and 3.3 bar, an expansion relief valve (SRV) set at 6.0 bar, a strainer and a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) also supplied with a tundish. Maximum supply pressure to the inlet control group 10.0 bar. Maximum working pressures - Primary circuit 6.0 bar, Secondary circuit 5.5 bar. Maximum operating temperature 65˚C.
Range of CENTERSTORE AIR bubble top indirect and direct single coil unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 10.0 bar@90˚C. A safety kit (manifold) consisting of a single check valve assembly, verified by test (suitable for backflow prevention against fluid category 2), strainer, an expansion relief valve set at 8.0 bar and a pressure reducing valve set at 3.0 bar and a tundish is also provided. Alternative inlet control group and temperature and pressure relief valve added March 2023. Maximum working pressure: Secondary circuit: 7.5 bar. Primary circuit: 6.0 bar. Maximum operating temperature 65°C.
Range of indirect unvented indoor heat pump storage cylinders which consist of a heat pump which sits on top of the tank and heats the hot water via refrigeration pipes which then heats the cylinder by being externally mounted around the cylinder. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 7.0 bar @ 90˚C. The product is supplied with an inlet control group (safety kit) consisting of a pressure reducing valve pre-set at 3.0 bar, strainer, an expansion relief valve set at 6.0 bar and a check valve cartridge (verified by test - suitable for backflow protection against Fluid Category 2). A tundish and expansion vessel are also provided. Maximum working pressure 6.0 Bar (Secondary) Maximum operating temperature 55.0°C
Range of Direct & Indirect stainless steel insulated unvented hot water storage cylinders with internal expansion. The secondary circuit consists of a temperature and pressure relief valve set at 10.0 bar and 90°C and an alternative temperature and pressure relief valve also set at 10.0 bar and 90°C , an inlet control group consisting of a pressure reducing valve pre-set at 3.0 bar, an expansion relief valve set at 8.0 bar, a strainer and a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) also supplied with a tundish. Maximum working pressure - Primary circuit: 6.0 bar & Secondary circuit: 7.5 bar Maximum operating temperature 85.0°C
Range of stainless steel indirect (single or twin coil), direct and heat pump unvented hot water storage cylinders. The heat pump models also incorporate a plate heat exchanger and a circulation pump. The secondary circuit is supplied with a temperature and pressure relief valve set at 7.0 bar@90.0˚C. The products are supplied with an inlet control group consisting of an adjustable pressure reducing valve, adjustable in the range of 0.8 bar - 6.0 bar, but factory pre-set at 3.0 bar, a strainer, am expansion relief valve set at 6.0 bar and an approved single check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2). The products are also supplied with an immersion heater, an expansion vessel (12, 19 or 24 litres depending on model) and a tundish. Maximum supply pressure to the inlet control group: 16.0 bar. Maximum working pressure: Secondary circuit: 5.5 Bar. Primary Circuit: 6.0 Bar (All models except for the Direct - DI prefix models). Maximum operating temperature 75°C.
Range of stainless steel indirect unvented hot water storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve (7.0 bar and 90°C). The product is fitted with a safety kit which comprises of a manifold, check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) strainer, an expansion relief valve set at 6.0 bar and a pressure reducing valve set at 3.0 bar. A tundish and expansion vessel also comes supplied. Maximum working pressure: Secondary circuit: 5.5 Bar Primary circuit: 3.0 Bar Solar circuit: 3.0 Bar
Non-metallic materials and components comply with BS6920 at 80°C
Range of indirect unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 7.0 bar @ 90˚C. The product is supplied with an inlet control group (safety kit) consisting of a pressure reducing valve pre-set at 3.0 bar, strainer, an expansion relief valve set at 6.0 bar and a check valve cartridge (verified by test - suitable for backflow protection against Fluid Category 2). A tundish and expansion vessel are also provided. Maximum working pressures: Primary: 6.0 bar Secondary: 5.5 bar
Non-metallic materials and components comply with BS6920 at 85°C
'Hurricane' range of Indirect and direct unvented storage cylinders consisting of factory fitted single or twin coil circuit with either a primary or solar coil. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 7.0 bar@90˚C. The product is supplied with an inlet control group (safety kit) consisting of a pressure reducing valve adjustable between 2.7 and 3.3 bar, strainer, an expansion relief valve set at 6.0 bar and a check valve cartridge (verified by test - suitable for backflow protection against Fluid Category 2). A tundish and expansion vessel are also provided. Maximum supply pressure to the inlet control group 10.0 bar. Maximum working pressures: Secondary circuit 3.0 bar, Primary Circuit 3.0 bar & Solar circuit 5.5 bar. Maximum operating temperature 65°C.
Range of vertical cased and insulated direct and indirect unvented stainless steel hot water storage cylinders. Fitted with a Caleffi 309463 GLD temperature and pressure relief valve sat at 6 bar & 90°C, and supplied with an inlet control group consisting of in-line pressure reducing valve (Caleffi set at 3 bar) and pressure relief valve (Caleffi CWIC200055) set at 4.5 bar, and incorporates a stainless-steel mesh and an approved check valve cartridge (verified by test suitable for backflow protection against Fluid Category 2), expansion vessel and filling loop. Maximum working pressure 4.4 bar. Maximum operating temperature 99°C.
Air Source Hot Water Cylinder range of cased and insulated, unvented hot water storage cylinders (enamelled steel) of the package type incorporating heat pump module. The DHW circuit includes a factory fitted temperature & pressure relief valve (Caleffi) set at 7 bar and 95˚C . The safety kit incorporates a pressure reducing valve (Caleffi) set at 3.5 bar, strainer, check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2 and an expansion valve (Caleffi) set at 6 bar, expansion vessel (Reflex) and a tundish (Caleffi). The temperature of the hot water is controlled by a factory fitted manual control (set at 60˚C) and a high pressure switch positioned on the heat pump module (maximum temperature 65˚C) The cylinders are factory fitted with standard dual control immersion heater.Immersion heater incorporate control and manual resetting thermostats (maximum 89˚C). Maximum working pressure 5.5 Bar & maximum operating temperature 75°C. Maximum supply pressure to the pressure reducing valve is 12 bar. Maximum working pressure of the primary circuit 3.5 bar.
Range of indirect and direct unvented storage cylinders. The secondary circuit is factory fitted with a temperature and pressure relief valve set at 7.0 bar @ 90˚C. The product is supplied with an inlet control group (safety kit) consisting of a pressure reducing valve pre-set at 3.0 bar, strainer, an expansion relief valve set at 6.0 bar and an approved check valve cartridge (verified by test - suitable for backflow protection against Fluid Category 2). A tundish and expansion vessel are also provided. Maximum working pressures: Primary: 3.0 Bar Secondary: 5.5 Bar Solar: 3.0 bar Maximum operating temperature 90.0°C
Range of cased and insulated stainless steel unvented water storage heaters. The DHW circuit includes a factory fitted combined temperature and pressure relief valve set at 6.0 bar and 90˚C. The product can be supplied with two possible safety kits (inlet control groups). One includes a pressure reducing valve adjustable between 1.5-6.0 bar, (but set at 3.0 bar), a check valve cartridge, verified by test (suitable for backflow protection against Fluid Category 2) and a pressure relief valve pre-set at 4.5 bar. The other includes a pressure reducing valve pre-set at 3.0 bar, an approved check valve cartridge, however, the complete product has not been fully tested to demonstrate it provides backflow protection, and a pressure relief valve pre-set at 4.5 bar. The product is also supplied with an expansion vessel and a tundish. The compression connection of each inlet control group is for use with the following pipes: Both for use with copper pipe (manufactured to BS EN 1057). The inlet control group without an adjustable pressure reducing valve can also be used with PB pipe (with inserts) (manufactured to BS EN 7291-2:2010) and PEX pipe (with inserts) (manufactured to BS EN 7291-3:2010). Maximum supply pressure to inlet control group pressure reducing valve: 16.0 bar. Maximum working pressure 4.0 bar. Maximum operating temperature 99°C. Cold supply only.
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