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Building services valves
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Building services valves. Find the best solution for your project here.
Building services valves - helping you find the best solution for your project.

Wavin HepVO Osma self sealing waste valve
HepvO® self-sealing waste valve prevents the escape of foul sewer air from waste discharge systems, and maintains pressure equilibrium in soil and waste installations. Uses a purpose designed silicone rubber membrane membrane to create an airtight seal between the living space and the drainage system. Self-sealing valve opens under the water
TA-THERM thermostatic circulation valve for DHW systems
The TA-THERM thermostatic valve is used for automatic balancing in domestic hot water circulating systems, which are used in most large buildings to reduce the delay time for water to run hot at the tap. The TA-THERM valve is fitted in place of a conventional balancing valve and is made from AMETAL®, a dezincification-resistant alloy that
STAF flanged cast iron balancing valve
Balancing valve – PN 16 and PN 25 – DN 20-400 A flanged, cast iron (STAF) and ductile iron (STAF-SG) balancing valve that delivers accurate hydronic performance in an impressive range of applications. The STAF/STAF-SG is ideal for use mainly on the secondary side in heating and cooling systems
E2V electronic expansion valve
E2V is an electronic expansion valve with proportional modulation. It allows efficient control of refrigeration and air-conditioning units, and provides consistent energy saving. Its 15mm nozzle enables modulation of the refrigerant flow in a wide operating range and at various differential pressures. This can provide significant energy savings
TBV-C terminal balancing valve
The TBV-C terminal balancing valve for on/off control is designed for use in terminal units in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that minimises the risk of leakage. The valve has a shut-off function to ensure straightforward maintenance, and self-sealing measuring points for quick and
STAP differential pressure controller
The compact STAP self-acting differential pressure controller is suitable for use in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that reduces the risk of leakage. It keeps the differential pressure over the load constant which delivers accurate and stable control. This ensures minimal noise from
Pneumatex Zeparo ZU automatic air vents and separator
Automatic air vents and separators (micro bubble, dirt, combined) Comprehensive range of products for venting and separation of micro bubbles, sludge and magnetite in heating, solar and cooling water systems. The diversity of the applications as well as their modular construction is unique. The helistill separator makes these products incredibly- PRODUCT
IMI Climate Control
STAG ductile iron balancing valve
Balancing valve with grooved ends – DN 65-300 A grooved end, ductile iron balancing valve that delivers accurate hydronic performance in an impressive range of applications. STAG is ideal for use mainly on the secondary side in heating and cooling systems
PM 512 pressure relief valve
The PM 512 pressure relief valve is suitable for variable flow heating and cooling systems. It is particularly effective in situations that require high pressure drops, as it ensures minimal noise. Constructed from ductile iron, the valve is electrophoretically painted with duasolid to protect against rust. It also has a soft NBR diaphragm to
TA 500 ball valves
The TA 500 shut-off ball valve is suitable for heating, cooling and tap water systems. The valve is made from AMETAL®, a dezincification-resistant alloy that reduces the risk of leakage. The alloy is nickel plated and the handle is made from epoxy-painted die-cast aluminium. The valve has a teflon-coated ball for optimum maneuverability. A double
KTH 512 pressure independent balancing and control valve
Pressure independent balancing and control valve – DN 15-125. High-performing and compact, these pressure-independent control valves for variable flow heating and cooling systems are particularly effective in situations requiring high temperatures and/or pressure drops. They are also suitable for use on the secondary side in district heating and
TBV-CM terminal balancing valve
The TBV-CM terminal balancing valve for modulating control is designed for use in terminal units in heating and cooling systems. The valve is made from AMETAL®, a dezincification-resistant alloy that minimises the risk of leakage. The valve has a shut-off function to ensure straightforward maintenance, and self-sealing measuring points for quick
TA 400 ball valves
The TA 400 is a flexible and easy-to-install ball valve for heating, cooling and tap water systems. Pressure die casted AMETAL® cuts risk of leakage and ensures a long product lifetime
DA 516 differential pressure controller
This compact differential pressure controller for heating and cooling systems is particularly effective in situations requiring high temperatures and/or pressure drop. DA 516 can be used both on the primary and secondary side in district heating and comfort cooling systems. Rust protection is assured thanks to the electrophoretic painted ductile
Horne's in-line thermal disinfection unit is for routine thermal disinfection of showers, taps, TMVs, their associated pipe-work feeds, ancillary fittings, mixed water deadleg and terminal outlet fitting using the readily available system temperature hot water supply. Facilitates the routine management of retrograde contamination by pathogenic- PRODUCT
- Horne Engineering
The Frese ALPHA wafer valve is used for the automatic balancing of both cooling and heating circuits. With the ALPHA cartridge as an integral part of the valve, the flow is limited at the specified value even under fluctuating pressure conditions. Available in a range of sizes (DN50-DN800), it can be used for flowrates up to to 45,000 l/h. Made from ductile iron with stainless steel cartridgesSIGMA Compact dynamic balancing valve
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The Frese Sigma dynamic balancing valves is used for water control in cooling and heating applications. It can be used instead of traditional double regulating valves and can be installed in both variable flow systems and constant flow systems. Max. differential pressure 400kPa. Range of flowrates, from 40 to 10,350l/h. Made from brass (DN15-DN32) or ductile iron (DN40-DN50DZR ball valves - WRAS approved
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The WRAS-approved, DZR compression ball valve is a full bore, PN16 pressure-rated valve with compression ends. Features include: Blow-out-proof stem. Full bore, hard chrome-plated ball. Brass or bronze body construction. Virgin PTFE seats and stem seals. Bi-directional flow for ease of installation. Threaded BS 21 taper. Compression fitting ends- PRODUCT
- Herz Valves UK
Double regulating valves
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Double regulating valves are suitable for hydraulic balancing in heating and cooling systems, and the adjustment of distribution mains, circuits, heat exchangers, and heating and cooling registers. The sockets for the circuit control valves are suitable for connecting either threaded pipes or calibrated soft steel or copper pipes, the latter two- PRODUCT
- Herz Valves UK
TemCon domestic hot water thermostatic valve
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The CirCon thermostatic valve in stainless steel AISI 316 is used for domestic hot water systems with circulation. A by-pass outside the thermal part of the valve allows the temperature to be raised to between 70°C and 80°C, making it suitable for hot water installations with bacterial problems such as legionella. It has a stepless setting between 37°C and 65°C with an accuracy of +/-2°CRL1 return valves
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RL1 return valves are suitable for hot water heating systems. They are available in straight and angled versions. Valves are nickel plated and equipped with special sockets, with the option of either a threaded pipe or calibrated soft steel or copper pipe connection, the latter two by means of a compression union. Closing is performed by a valve- PRODUCT
- Herz Valves UK
Brass drain cock
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The brass drain cock is PN10 pressure rated and suitable for boiler filling and draining applications. It can be used for installations with cold or hot water. The filling cocks, draining cocks and hose connections are supplied in brass. The design of the O-Ring and cup spring prevent any water leakages. The drain cock moves smoothly and precisely- PRODUCT
- Herz Valves UK
TS-E thermostatic valve
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The TS-E thermostatic valve is suitable for one- or two-pipe heating systems, and is available in straight, angled and reverse angled versions. Standard models feature a threaded socket, are nickel plated and have a white screw cap. Universal models feature a special socket for threaded pipe and a compression union. An O-ring is used as a spindle- PRODUCT
- Herz Valves UK
The ACO Triplex® with chamber is an in-line Type 2 passive anti-flooding device designed for grey water (non-faecal) connections. It has its own access chamber and conforms to the requirements of BS EN 13564. The ACO Triplex® installs into solid floor constructions with connections to 110mm or 160mm Ø drain pipe. It has a height adjustable access- PRODUCT
- ACO Building Drainage Ltd

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