Range of stainless-steel axial expansion bellows with threaded end connections. Maximum working pressure 10.0 bar. Maximum operating temperature 100°C.
Chlorine Dioxide dosing system consisting of various PVC pipes and fittings, a water meter and a spherical valve. The inlet incorporates a double check valve assembly (verified by test as suitable for backflow protection against Fluid Category 3). Maximum working pressure 10.0 bar. Cold water use only.
‘CD3 Series’ chlorine dioxide dosing system incorporating a single check valve positioned at the point of injection. Maximum working pressure 6.0 bar. Cold water use only.
Range of expansion vessels with EPDM membrane and stainless steel flange connections. Models VB8, VB12, VB18 & VB24 have a maximum working pressure of 16.0 bar. All other models have a maximum working pressure of 10.0 bar. Maximum operating temperature 100°C.
Range of expansion vessels with stainless steel and epoxy coated carbon steel bodies incorporating a butyl rubber membrane. Maximum working pressure 10.0 bar. Maximum operating temperature 99°C.
Carbon block filter cartridge with plastic body. The cartridge may be installed with a manifold (filter head) for use with PE tubing manufactured to BS 1972. Maximum working pressure 8.6 bar. Cold water use only


‘Comisa’ range of brass bodied press-fit and threaded fittings for use with `Comisa’ (PE-RT/AL/PE-LMD) multi-layer pipe. Maximum working pressure 10.0 bar. Maximum operating temperature 95°C.
ERA-01 range of SDR11 and SDR17 polyethylene butt welded fittings for use with ERA-02 range of SDR11 and SDR17 PE 100 pipe. SDR11 rated pipe and fittings have a maximum working pressure of 16.0 bar. SDR17 rated pipe and fittings have a maximum working pressure of 10.0 bar. For above and below ground use. Cold water use only.
Boss Range of brass, chrome plated brass or DZR brass compression fittings for use with copper pipe only. Maximum working pressure 16.0 bar. Maximum operating temperature 85°C.
Range of press-fit end connectors (gunmetal bodies) for use with copper pipe manufactured to BS EN 1057. Maximum working pressure 16.0 bar. Maximum operating temperature 99°C.
Range of under-sink, electrically heated vented water heaters (cased and insulated). Maximum operating temperature 98˚C
Range of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger. The pressurised central heating system incorporates an expansion vessel and pressure relief valve set at 3.0 bar. The supplies to both domestic hot water and primary are controlled via spherical valves. The primary circuit has a maximum working pressure of 2.5 bar. The secondary circuit has maximum working pressure of 10.0 bar. Maximum supply temperature is 60°C. Maximum operating temperature of secondary circuit is 85°C.
Range of floor standing gas fired combination boilers providing domestic hot water via a stainless-steel plate heat exchanger. Unit is supplied with a safety relief valve (8.0 bar). Maximum working pressure 7.5 bar. Maximum operating temperature 85°C.
Range of wall hung, gas-fired condensing combination boilers providing domestic hot water via a plate heat exchanger and pressure relief valve set at 3.0 bar. The supplies to both primary hot water and secondary are controlled via spherical valves. The boilers incorporate a filling loop assembly which incorporates a double check valve assembly (suitable for backflow protection against Fluid Category 3). Primary circuit: Maximum working pressure 2.5 bar. Maximum operating temperature 82°C. Secondary circuit: Maximum working pressure 10.0 bar. Maximum operating temperature 60°C
Range of floor standing gas fired combination boilers providing domestic hot water via a stainless-steel plate heat exchanger. Unit is supplied with a safety relief valve (8.0 bar). Maximum working pressure 7.5 bar. Maximum operating temperature 85°C.
Hydraulic block assembly comprising a flow sensor, primary pump assembly, pressure relief valve preset at 3.0 bar and plate heat exchanger. Maximum working pressures: secondary = 10.0 bar and primary = 2.5 bar. Maximum operating temperature 80°C.
Aquila V5 range of water meters with black epoxy coated cast iron bodies, plastic turbines, fibre/NBR flange gaskets and either NBR or EPDM ‘O’-rings. Maximum working pressure 16.0 bar. Cold water use only.
Range of ultrasonic water meters with brass bodies incorporating EPDM ‘O’-rings. The inlets incorporate a plastic strainer. The DN15 X 165mm and DN20 X 190mm models incorporate a non-return valve on the outlet. Maximum working pressure 16.0 bar. Maximum operating temperature 50°C.
Range of water meter manifolds (also known as double box valves) for use with MDPE pipe (manufactured to BS EN 12201). The products incorporate an approved check valve cartridge however, the complete product has not been fully tested to demonstrate it provides backflow protection Maximum working pressure 16 bar. Cold water use only.
Range of ‘Resident Valves’ with a DZR brass body consisting of water meter manifold, an isolation valve on the inlet, a pressure reducing valve (adjustable between 1.5 and 6.0 bar) and 2 non-return valves which are located on the outlet of the water meter manifold. The ‘Plus’ models are also supplied with an isolation valve on the outlet, which incorporates a drain tap. Maximum supply pressure 16.0 Bar. Cold water above ground use only.
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