Reliance RWC TPR15 Pressure & Temperature Relief Valve 1/2" x 15mm 6 Bar - PTEM550857

The Reliance Water Controls (RWC) TPR15 Pressure and Temperature Relief Valves are compact devices meticulously engineered to safeguard against overpressurisation within unvented hot water systems. This crucial protection comes into play if the temperature or pressure controls fail. These valves are designed to be installed at the upper section of a hot water cylinder, where the highest temperatures can typically be found. In the event that the system temperature exceeds 95°C, the wax mixture within the temperature probe's element expands, causing the valve to lift off its seat and release water to waste. This process effectively alleviates excess pressure within the cylinder. Additionally, if the water pressure increases without a corresponding rise in temperature, the valve remains closed until it reaches the set pressure of the relief mechanism, at which point it opens to relieve the excess pressure. Certain models feature a PTFE coating on the MBSP inlet thread, significantly enhancing installation efficiency. ### Features and Benefits: - Provides protection against temperatures exceeding 95°C - Prevents dangerous overpressurisation - Twist-top cartridge design facilitates easy servicing - Available in a variety of pressure settings and probe lengths - Some models include a PTFE coating for added convenience ### Specification: - **Size:** 1/2" x 15mm - **Connections:** BSP Male Inlet x Compression Outlet - **Materials:** Brass - **Medium:** Hot water only - **Set Pressure (Set & Locked):** 6 Barg - **Temperature Relief:** +90 to 95 °C - **Discharge Capacity:** 10 kW - **Probe Length:** 95 mm - **Product Code:** PTEM550857 - **Notes:** Includes PTFE, WRAS approved Ensure the safe operation of your unvented hot water system with the RWC TPR15 Pressure and Temperature Relief Valves, an essential investment for any modern heating system.

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Other Products and Services from Flowstar (UK) Ltd

Sounding Cock

A marine sounding cock is a compact manually operated valve installed in tanks aboard a ship. It is used to measure (or “sound”) the liquid level—such as fuel oil, fresh water, ballast, or sludge—by allowing a small sample to be drawn, or by inserting a sounding tape or rod.

Purpose of a Sounding Cock

Enables safe and controlled manual inspection of tank contents
Provides a method for sampling the tank's liquid at its lowest point
Frequently utilised in:

Fuel oil service and settling tanks
Lubricating oil tanks
Ballast and freshwater tanks
Bilge and sludge tanks

We offer a range of Sounding Cock Valves from several leading manufacturers. Please get in touch with us to discuss your requirements.

Altecnic / Caleffi 312 Series Safety Pressure Relief Valve 1/2" M x 15mm 4 Bar - 312405CST

The Altecnic / Caleffi 312 Safety Valve - 312405CST is essential for domestic hot water systems, providing vital protection for hot water cylinders and heating systems, including boilers and other components. This safety valve is meticulously selected for its specific set pressure. As system pressure increases, the valve activates once the discharge pressure is reached, releasing excess pressure into the atmosphere. This action safeguards both the boiler and hot water storage cylinder, ensuring safe operational conditions for personnel nearby.

Specification

Size: 1/2" x 15mm
Connections: BSP Male Inlet
Materials: Brass
Medium: Air and Water
Set Pressure: 4 Barg
Discharge Flowrate: 178.2 kg/hr
Max Boiler Rating: 103.3 kW
Temperature Range: +5 to +110 °C
Product Code: 312405CST
Notes: WRAS approved, CE marked

The Altecnic / Caleffi 312405CST Safety Valve is perfect for ensuring compliance with safety standards in your heating systems, making it a smart choice for any domestic hot water setup.

Budenberg 5214 0.25% Accuracy Standard Test Pressure Gauge

The Budenberg 5214 Pressure Gauge, featuring a remarkable accuracy of 0.25%, is renowned globally for its precision and quality. This standard test pressure gauge boasts a base test gauge accuracy and, where applicable, up to 500 graduations for enhanced readability. Additionally, it is equipped with a knife-edge pointer and an anti-parallax mirror, significantly minimising the risk of human error. Each unit is supplied with a comprehensive calibration certificate. For more insights on choosing the right pressure gauge, be sure to explore our informative article in the Technical section of this website.

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Flowstar (UK) Ltd

Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom

Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.

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