Reliance 28mm Heatguard Blending Valve

£142.95 Incl. VAT

In stock

Free delivery over £250 (Exceptions Apply)
Next Day Available | 30 Day Return Policy
Further Delivery Information

Product Overview

This Reliance 28mm Heatguard Blending Valve HEAT115002 is for mixing the flow and return water.  This will achieve a stable system temperature in underfloor heating systems. The blending valve is suitable for high flow rates. Covering up to 250m², all floor types and uses wax capsule technology.

The Reliance 28mm Blending Valve has a lockable temperature mechanism, to prevent tampering. Also, compression connections allowing for an easy installation. The temperature indicated on the cap makes the setting of the temperature simple. It offers superb temperature control and a quick reaction to supply temperature changes. These benefits make the RWC/JG 28mm Heatguard UFH blending valve a great choice for Domestic or commercial applications.

Reliance 28mm Heatguard Blending Valve Features

  • Wax capsule technology
  • Lockable temperature mechanism
  • Set temperature on cap
  • Superb temperature control
  • Quick reaction to supply temperature changes
  • Suitable for all floor types
  • Available in two sizes – 28mm and 22mm
  • Compression type connections for ease of installation


  • Temperature Range: 35° – 60° Celsius
  • Maximum Temperature: 90° Celsius
  • Temperature Stability: + /- 2°C
  • Return supply temperature: 5°C – 75°C
  • Maximum Static Pressure: 10 bar
  • Maximum Working Pressure: 6 bar
  • Connections:  28mm compression
  • Floor area: Approximately 250 m²


  • Body: Cast gunmetal
  • Internal brass components: DZR brass
  • Seals: Nitrile elastomer
  • Spring: Stainless steel
  • Piston: Acudel
  • Fittings: DZR brass

PLEASE NOTE: The Reliance 28mm Heatguard blending valve contains temperature-sensitive components. Please avoid Soldering near the body.

Also available to purchase in 22mm: 22mm Blended valve.

Delivery Information

We have multiple delivery options

  • Next Day Carrier
  • Delivery From Branch 1-5 Working Day
  • Pallet -1-3 Days
  • Standard 1 -3 Day Carrier
  • Economy 1-3 Day Carrier
  • Click & Collect from store


The cost of the carriage will be displayed before your final checkout. Free delivery is available on most items for orders over £250, exceptions do apply.

Click And Collect

Please note that our stock levels are not live. Please contact your local branch prior to purchase, so that we can ensure the product is available to you. If the product isn’t available, we can organise this through an alternative branch.


  • Orders will only be dispatched and delivered on weekdays.
  • Orders for the next working day delivery must be placed before 2 pm, this gives us time to pick and pack before the carrier arrives to collect.
  • We aim to dispatch all carrier delivered items within 48hrs, and all items delivered on our own transport within 5 days, Monday to Friday. Saturday Delivery can be made upon request, depending on availability.
  • An email will be sent when your goods leave us via Carrier, this email will include tracking information. If your order is delayed for any reason, we will contact you.
  • If delivery is from a Branch, then a member of our team will be in contact with you.


We pride ourselves on our customer service, but mistakes can happen. If you receive an incorrect or faulty item, please notify us within 30 days to arrange a refund, return or exchange.


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