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    • Plumbing Valves & Stopcocks Caleffi - 1/2" Series 309 Pressure & Temperature Relief Valve Set at 90°C - 10 Bar - 309400 CST

    Caleffi - 1/2" Series 309 Pressure & Temperature Relief Valve Set at 90°C - 10 Bar - 309400 CST

    061-475-0703

    £38.32 inc. VAT

    £31.93 ex. VAT

      Normally available in 3 - 4 working days

    • The Caleffi Series 309 Pressure & Temperature Relief Valve is a safety-critical mechanical fail-safe designed exclusively for unvented domestic hot water storage cylinders. Its primary function is to protect the structural integrity of the hot water tank by preventing the stored water from reaching a critical boiling state. If system safety controls fail and temperature or pressure thresholds are breached, the valve activates automatically, discharging a controlled volume of water to lower system energy and safely restore stable operating conditions.

      • Temperature setting: 90°C
      • Pressure Setting: 10 Bar
      Brand
      Caleffi
      Category
      Pressure & Temperature Relief Valve
      Product Code
      061-475-0703
      Main Material
      Dzr Brass
      Main Colour
      Gold
      Box Quantity
      1
      Weight
      255 g
      Width
      55 mm
      Height
      190 mm
      Diameter
      30 mm
      GTIN
      0708747450699

    • Collect in-store

      Collection available between 7am and 5pm.
      Please have order confirmation with you.
      Please wait for us to contact you before making your way to collect your items.
      We will hold your order for 1 working week before returning the items.

      Estimated collection Tuesday 2nd.

    • Our delivery policy

      Small to medium parcels are sent via courier. Any delivery instructions can be arranged via their website or app.

      Larger products are delivered via a pallet. Please note pallet deliveries are curbside and delivered by a third-party company. The drivers are not insured to take the delivery indoors and we recommend you arrange for two people to receive the delivery. Re deliveries will be chargeable.

      If your property is not reachable i.e up a flight of stairs, a narrow street or a gravel road delivery will be made as near to your property as possible.

      Order today for estimated delivery between Saturday 30th and Wednesday 3rd.

      There is a delivery surcharge of £5.40 inc. VAT£4.50 ex. VAT for this product, in addition to the standard delivery rate.

    • Our returns policy

      See our Terms of Sale for our returns policy.
      Restocking charges apply.

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