Valves and Unions

(122 products)

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  1. Anti-Legionella Valves

    Explore our range of Anti-Legionella Valves, th ...

  2. Branch Connections

    Shop from our selection of Branch Connections, ...

  3. Crane Valves

    A Crane valve, is an industrial valve manufactu ...

  4. Hose Mender

  5. Hosetails

    Shop from our comprehensive selection of Hoseta ...

  6. Non-Return Valves

    Shop from our collection of Non-Return Valves, ...

  7. Unions

    Unions make connecting pumps and pipework simpl ...

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  1. Grundfos 28mm Brass Gate Valve

    SB-GV28BR/GVALVE-28

    Grundfos - Compatable 28mm Brass Gate Valve - Sold as Singles

    Grundfos - Compatable 28mm Brass Gate Valve - Sold as Singles

    This is a Spares/Kit item, please get in touch for product compatibility.



    Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.

    £10.80 £9.00
    In Stock In stock
  2. Grundfos Sololift Non Return Valve

    GR-97775371

    Grundfos - Sololift Non-Return Valve

    Grundfos - Sololift Non-Return Valve

    This is a Spares/Kit item, please get in touch for product compatibility.



    Grundfos (est. 1945) is a Danish pump manufacturer known for high-efficiency circulators, multistage boosters, borehole and wastewater pumps, plus packaged pressure systems. The range covers HVAC circulation, domestic hot water recirculation, pressure boosting, industrial water transfer and public water management, with strong focus on energy efficiency and intelligent controls.

    £40.80 RRP £32.64 £27.20
    In Stock In stock
  3. ABS Check Valve Washer

    ABS-43070061

    ABS - Check Valve Washer

    Check Valve Washer engineered for ABS products.

    The ABS Check Valve Washer is a Spares item.



    ABS (Sulzer) pumps are widely used for drainage and wastewater duties where dependable, low‑maintenance operation is essential. The range focuses on durable construction, reliable hydraulics and straightforward installation, commonly specified for sump drainage, cellar dewatering and dirty‑water transfer in residential, commercial and light industrial applications.

    £16.80 RRP £9.60 £8.00
    In Stock In stock
  4. Dorot DAV-P-1-K-DRG Air Release and Vacuum Break Valve

    SURGE-DOROT

    Dorot DAV-P-1-K-DRG - Air Release and Vacuum Break Valve - WRAS Approved

    developed for efficient discharge and intake of air in water transport systems, filtering systems, containers, and other places where confined air could impair the system’s operation.

    FEATURES & ADVANTAGES

    The Dorot DAV-P-1-K-DRG Air Release and Vacuum Break Valve - WRAS Approved is a Spares item.



    £256.87 RRP £300.00 £250.00
    In Stock In stock
    Delivery Icon Free Standard Delivery
  5. 3/4 Inch Anti-Legionella valve

    REFLEX-9116799

    Reflex - 3/4 Inch Anti-Legionella Valve

    The Anti-Legionella Valve is designed for use with a wide range of Reflex Refix anti-legionella vessels, helping to support safer and more hygienic hot water system operation.

    £95.98 RRP £39.60 £33.00
    In Stock In stock
  6. Anti Legionella Valve 1 1/4"

    REFLEX-9111066

    Reflex - 1 1/4 Inch Anti Legionella Valve

    The Anti-Legionella Valve is designed for use with a wide range of Reflex Refix anti-legionella vessels, helping to support safer and more hygienic hot water system operation.

    £120.00 RRP £114.00 £95.00
    In Stock In stock
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  7. Flamco 28520 Flexvent Super 1/2 Automatic Air Vent - G 12" F

    28520

    Flamco - 28520 Flexvent Super 1/2 Automatic Air Vent - G 1/2" F

    The compact, proven design has high efficiency and guaranteed operation for heating and air conditioning.

    The water within the installation contains air which can form corrosion and reduce the thermal transfer.

    A Flexvent is fitted at places where the air collects.

    The cap of the Flexvent Super is conical in shape.

    The advantage of this construction is that the clearance between the water level and venting valve is maximized.



    Flamco (est. 1956) is a Dutch manufacturer of HVAC and plumbing system components, including expansion vessels, air separators and pressurisation accessories. Their ranges are used in heating and chilled-water circuits and potable water systems across domestic and commercial installations.

    £79.50 RRP £53.27 £44.39
    In Stock In stock
  8. Flamco T-plus cast iron - DN80 - 3" Pipe Diameter - Rp1‚‚¼" Branch Connection

    90680

    Flamco - T-plus Cast Iron - DN80 - 3" Pipe Diameter - Rp1¼" Branch Connection

    Branch live pipework cleanly with Flamco's T-plus—no drain-down, no hammer; a trigger-fired mechanism punches a precise opening and forms a sealed take-off in seconds.

    The T-plus uses a plunger, striking pin and single-use trigger to make perfect branches even in tight spaces. Installers avoid draining (so no air or dirt ingresses), keep systems running, and deliver a reliable seal thanks to the integrated gasket and anti-corrosion coating.

    • Live-branching: create branches while the system remains in operation
    • Trigger mechanism: clean, consistent cut—no hammer required
    • Space-saving: works where access is restricted
    • Sealing & durability: optimum pipe seal with anti-corrosion coating
    • Single-use trigger: one-shot cartridge included with each T-plus
    • Fast prep: click-in nuts on models from 1 ½"

    Applications include central heating and cooling, potable water, solar thermal, fire protection and industrial services (e.g. compressed air). Two body options are available: cast-iron for thick-walled steel pipework, and brass for copper, thin-walled steel and Stainless Steel.

    £708.42 RRP £474.65 £395.54
    In Stock In stock
    Delivery Icon Free Standard Delivery
  9. Flamco T-plus cast iron - DN65 - 2‚‚½" Pipe Diameter - Rp1‚‚¼" Branch Connection

    90665

    Flamco - T-plus Cast Iron - DN65 - 2½" Pipe Diameter - Rp1¼" Branch Connection

    Branch live pipework cleanly with Flamco's T-plus—no drain-down, no hammer; a trigger-fired mechanism punches a precise opening and forms a sealed take-off in seconds.

    The T-plus uses a plunger, striking pin and single-use trigger to make perfect branches even in tight spaces. Installers avoid draining (so no air or dirt ingresses), keep systems running, and deliver a reliable seal thanks to the integrated gasket and anti-corrosion coating.

    • Live-branching: create branches while the system remains in operation
    • Trigger mechanism: clean, consistent cut—no hammer required
    • Space-saving: works where access is restricted
    • Sealing & durability: optimum pipe seal with anti-corrosion coating
    • Single-use trigger: one-shot cartridge included with each T-plus
    • Fast prep: click-in nuts on models from 1 ½"

    Applications include central heating and cooling, potable water, solar thermal, fire protection and industrial services (e.g. compressed air). Two body options are available: cast-iron for thick-walled steel pipework, and brass for copper, thin-walled steel and Stainless Steel.

    £653.05 RRP £424.49 £353.74
    In Stock In stock
    Delivery Icon Free Standard Delivery
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Valves and Unions

Valves and Unions

When specifying a pump, it’s important to make sure that you have all of the fittings and connections needed for the installation too. There are a variety of types of unions and valves available, and they come in a range of different materials and sizes, so it’s therefore vital to specify the right ones for the job when you’re buying and installing a pump. From a simple non return valve to more unusual types, you can choose from a range of different options that are available to order on our site. One of the most common types of valve in use with pump installations is the non return valve, available in 1-inch and 11/4-inch sizes. There are also specialist valves made by pump manufacturer Grundfos for use with their kit. Other types of valve on offer include the brass ball valve, sold in pairs, and the brass gate valve. The latter type are available in 22mm and 28mm sizes and are also sold in pairs. Our unions come in both brass and iron and again are supplied in a range of different sizes to suit all applications. There are standard-size 1-inch and 2/4-inch unions, as well as those to make different-sized connections - for example, 11/4-inch by 2-inch or 11/4-inch by 11/2-inch. Once again, unions are sold in pairs. More specialist types of valve that we offer include brass swing check valves which are available in 11/4-inch sizes. ABS check valve flaps and check valve washers are available to buy separately for use in new installations and repairs.