
Linx Square
inc. VAT
Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status
Free Samples
See the finish before you commit
Trade Account
Trade prices on every range
Expert Advice
Speak to our team · 020 4634 2203
Free Delivery
On orders over £300
Sold By The m²
Calculator on every tile and floor
Klarna & PayPal
Spread the cost, subject to status

Trade Prices
Always trade prices, never retail markup.
UK Delivery
£50 flat rate • up to 20 business days.
FENSA Fitting
Professional install available.
by Linx Square
SKU: RWCMIXINGVALVE
Or 3 payments of £61.50 withKlarnaorPayPalSubject to status
Need help with this product?
Our team can advise on specification, quantities and delivery — Mon–Fri, 9am–5pm.
Visit the Help CentreSelection

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT

Linx Square
inc. VAT
The Reliance Thermoguard Underfloor Heating Mixing Valve is a high-quality and reliable solution for blending and controlling the temperature of underfloor heating systems. This valve unit, model HEAT970366, features female 3/4" flow and return connections, ensuring compatibility with various plumbing setups. It is designed to replace the discontinued Reliance Thermomix, providing an upgraded and improved solution for temperature regulation in underfloor heating systems.Key FeaturesExcellent Temperature Stability: The Reliance Thermoguard Mixing Valve Unit offers exceptional temperature stability, especially when return temperatures and mixed water are close to equal. This ensures consistent and comfortable heating performance.Flexible Installation: This unit is designed with flexibility in mind, allowing for both left and right setup onto the manifolds. This versatility enables convenient installation in various plumbing configurations.Low Temperature Functionality: The mixing valve is capable of functioning down to 25°C, ensuring that initial warm-up and commissioning can be carried out effectively. This feature is crucial for proper system operation and maintenance.Slim Profile: The side profile of the valve is reduced, enabling easy fitting of the unit inside a cabinet or cupboard. This space-saving design ensures a neat and tidy installation.Wide Temperature Range: The Thermoguard Mixing Valve Unit offers a temperature range of 25°C up to 60°C, accommodating different floor constructions and heating requirements.SpecificationHot temperature supply range: 60°C – 85°CAdjustable temperature range: 25°C – 60°CMaximum supply pressure: 6 barFactory set temperature range: 45°C ± 2°CTemperature stability: ± 2°CConnections: Mixing valve inlets 3/4" FBSP, Manifold connections 1" MBSP