Home Pipe, Fittings & Valves Valves & Stop Cocks Pressure Relief Valves

Pressure Relief Valves

Pressure relief valves are essential components in plumbing systems. They maintain safe, stable water pressure within pipes, operating via two main processes. The first is automatically opening and releasing excess pressure when it reaches a predetermined level. Alternatively, they can operate by reducing the incoming pressure to a consistent, appropriate level. Either way, the relief valve helps prevent water damage, leaks, and other plumbing problems caused by excessive pressure. 

At Plumbing Superstore, we supply many different relief valves with various max pressures and other features to ensure you have a suitable pressure valve for your requirements. Whether you need to replace a pressure relief valve for your radiator, boiler or similar system, there are many different options available to you. This includes pressure relief valves with gauges and more. 

If you're unsure, contact our excellent customer service team for support. We can provide you with a no-obligation free quote and UK-fast delivery to maintain reliable support. 

Don't forget these additional features when fitting your new pressure relief valves:

Need to know more about valves in plumbing? Check out our handy guides below: 

...Read more

Products in Pressure Relief Valves:

Showing 1 - 14 of 14 products

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SKUPREL104002
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 6 Bar - 1 inch x 1 1/4 inch
£58.46 Incl. VAT£48.72Ex. VAT
£0.00 Incl. VAT
SKUPREL104010
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 6 Bar - 3/4 inch x 1 inch
£40.74 Incl. VAT£33.95Ex. VAT
£0.00 Incl. VAT
SKUPREL104014
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 5 Bar - 3/4 inch x 1 inch
£40.74 Incl. VAT£33.95Ex. VAT
£0.00 Incl. VAT
SKUPREL104016
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 8 Bar - 3/4 inch x 1 inch
£40.74 Incl. VAT£33.95Ex. VAT
£0.00 Incl. VAT
SKUPREL104040
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3.5 Bar - 1/2 inch x 3/4 inch
£25.93 Incl. VAT£21.61Ex. VAT
£0.00 Incl. VAT
SKUPREL104042
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3.5 Bar - 3/4 inch x 1 inch
£40.74 Incl. VAT£33.95Ex. VAT
£0.00 Incl. VAT
SKUPREL104043
RWC 104 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3.5 Bar - 1 inch x 1 1/4 inch
£59.71 Incl. VAT£49.76Ex. VAT
£0.00 Incl. VAT
SKUPREL102001
RWC 102 Series Potable Water Pressure Relief Valves F x F 6 Bar - 1/2 inch
£21.31 Incl. VAT£17.76Ex. VAT
£0.00 Incl. VAT
SKUPREL102004
RWC 102 Series Potable Water Pressure Relief Valves F x F 8 Bar - 1/2 inch
£22.42 Incl. VAT£18.68Ex. VAT
£0.00 Incl. VAT
SKUPREL102005
RWC 102 Series Potable Water Pressure Relief Valves M x 15mm 6 Bar - 1/2 inch
£26.05 Incl. VAT£21.71Ex. VAT
£0.00 Incl. VAT
SKUPREL102008
RWC 102 Series Potable Water Pressure Relief Valves F x F 5 Bar - 1/2 inch
£21.76 Incl. VAT£18.13Ex. VAT
£0.00 Incl. VAT
SKUPREL102009
RWC 102 Series Potable Water Pressure Relief Valves M x 15mm 3.5 Bar - 1/2 inch
£22.43 Incl. VAT£18.69Ex. VAT
£0.00 Incl. VAT
SKUPREL102014
RWC 102 Series Potable Water Pressure Relief Valves F x F 3.5 Bar - 1/2 inch
£24.17 Incl. VAT£20.14Ex. VAT
£0.00 Incl. VAT
SKUPREL102018
RWC 102 Series Potable Water Pressure Relief Valves M x F 6 Bar - 3/4 inch
£30.62 Incl. VAT£25.52Ex. VAT
£0.00 Incl. VAT
SKUPREL102020
RWC 102 Series Potable Water Pressure Relief Valves M x 22mm 3.5 Bar - 3/4 inch
£36.13 Incl. VAT£30.11Ex. VAT
£0.00 Incl. VAT
SKUPREL102024
RWC 102 Series Potable Water Pressure Relief Valves M x F 8 Bar - 3/4 inch
£25.48 Incl. VAT£21.23Ex. VAT
£0.00 Incl. VAT
SKUPREL102027
RWC 102 Series Potable Water Pressure Relief Valves M x 22mm 6 Bar - 3/4 inch
£32.57 Incl. VAT£27.14Ex. VAT
£0.00 Incl. VAT
SKUPREL102031
RWC 102 Series Potable Water Pressure Relief Valves F x F 6 Bar - 3/4 inch
£29.74 Incl. VAT£24.78Ex. VAT
£0.00 Incl. VAT
SKUPREL102040
RWC 102 Series Potable Water Pressure Relief Valves M x F 3.5 Bar - 1/2 inch
£22.42 Incl. VAT£18.68Ex. VAT
£0.00 Incl. VAT
SKUPREL102041
RWC 102 Series Potable Water Pressure Relief Valves M x F 5 Bar - 1/2 inch
£18.29 Incl. VAT£15.24Ex. VAT
£0.00 Incl. VAT
SKUPREL102042
RWC 102 Series Potable Water Pressure Relief Valves M x F 6 Bar - 1/2 inch
£22.32 Incl. VAT£18.60Ex. VAT
£0.00 Incl. VAT
SKUPREL102043
RWC 102 Series Potable Water Pressure Relief Valves M x F 8 Bar - 1/2 inch
£22.42 Incl. VAT£18.68Ex. VAT
£0.00 Incl. VAT
SKUPREL102045
RWC 102 Series Potable Water Pressure Relief Valves F x F 3.5 Bar - 3/4 inch
£30.48 Incl. VAT£25.40Ex. VAT
£0.00 Incl. VAT
SKUPREL102046
RWC 102 Series Potable Water Pressure Relief Valves F x F 5 Bar - 3/4 inch
£31.12 Incl. VAT£25.93Ex. VAT
£0.00 Incl. VAT
SKUPREL102048
RWC 102 Series Potable Water Pressure Relief Valves M x F 3.5 Bar - 3/4 inch
£25.48 Incl. VAT£21.23Ex. VAT
£0.00 Incl. VAT
SKUPREL102050
RWC 102 Series Potable Water Pressure Relief Valves M x 22mm 8 Bar - 3/4 inch
£32.66 Incl. VAT£27.22Ex. VAT
£0.00 Incl. VAT
SKU311425
Altecnic Safety Relief Valves Series 311 - 1/2 inch x 1/2 inch F x F PN 2.50 Bar
£10.57 Incl. VAT£8.81Ex. VAT
£0.00 Incl. VAT
SKU311430
Altecnic Safety Relief Valves Series 311 - 1/2 inch x 1/2 inch F x F PN 3.00 Bar
£10.39 Incl. VAT£8.66Ex. VAT
£0.00 Incl. VAT
SKU311460
Altecnic Safety Relief Valves Series 311 - 1/2 inch x 1/2 inch F x F PN 6.00 Bar
£10.32 Incl. VAT£8.60Ex. VAT
£0.00 Incl. VAT
SKU311480
Altecnic Safety Relief Valves Series 311 - 1/2 inch x 1/2 inch F x F PN 8.00 Bar
£10.80 Incl. VAT£9.00Ex. VAT
£0.00 Incl. VAT
SKU311525
Altecnic Safety Relief Valves Series 311 - 3/4 inch x 3/4 inch F x F PN 2.50 Bar
£16.72 Incl. VAT£13.93Ex. VAT
£0.00 Incl. VAT
SKU311530
Altecnic Safety Relief Valves Series 311 - 3/4 inch x 3/4 inch F x F PN 3.00 Bar
£15.18 Incl. VAT£12.65Ex. VAT
£0.00 Incl. VAT
SKU311560
Altecnic Safety Relief Valves Series 311 - 3/4 inch x 3/4 inch F x F PN 6.00 Bar
£16.73 Incl. VAT£13.94Ex. VAT
£0.00 Incl. VAT
SKU311570
Altecnic Safety Relief Valves Series 311 - 3/4 inch x 3/4 inch F x F PN 7.00 Bar
£17.78 Incl. VAT£14.82Ex. VAT
£0.00 Incl. VAT
SKU311580
Altecnic Safety Relief Valves Series 311 - 3/4 inch x 3/4 inch F x F PN 8.00 Bar
£17.28 Incl. VAT£14.40Ex. VAT
£0.00 Incl. VAT
SKU309435
Altecnic Temperature/Pressure Relief Valves - 1/2 inch M x 15mm PN 3 Bar
£51.34 Incl. VAT£42.78Ex. VAT
£0.00 Incl. VAT
SKU309440CST
Altecnic Temperature/Pressure Relief Valves 1/2 inch x 15mm - 4.0 Bar
£32.24 Incl. VAT£26.87Ex. VAT
£0.00 Incl. VAT
SKU309445CST
Altecnic Temperature/Pressure Relief Valves - 1/2 inch M x 15mm PN 4 Bar
£45.01 Incl. VAT£37.51Ex. VAT
£0.00 Incl. VAT
SKU309465
Altecnic Temperature/Pressure Relief Valves- 1/2 inch M x 15mm PN 6 Bar
£51.32 Incl. VAT£42.77Ex. VAT
£0.00 Incl. VAT
SKU309470CST
Altecnic Temperature/Pressure Relief Valves - 1/2 inch M x 15mm PN 7 Bar
£32.26 Incl. VAT£26.88Ex. VAT
£0.00 Incl. VAT
SKU309473CST
Altecnic Temperature/Pressure Relief Valves - 1/2 inch M Para x 15mm PN 7 Bar
£31.94 Incl. VAT£26.62Ex. VAT
£0.00 Incl. VAT
SKU309475CST
Altecnic Temperature/Pressure Relief Valves - 1/2 inch M x 15mm PN 7 Bar
£48.20 Incl. VAT£40.17Ex. VAT
£0.00 Incl. VAT
SKU309575CST
Altecnic Temperature/Pressure Relief Valves - 3/4 inch M x 22mm PN 7 Bar
£58.13 Incl. VAT£48.44Ex. VAT
£0.00 Incl. VAT
Altecnic Domestic 22mm Tempering Valve Art 5218 - DTC 45 - 65 Degree

Altecnic Domestic 22mm Tempering Valve Art 5218 - DTC 45 - 65 Degree

521818

SKU

521818

£173.11 Incl. VAT £144.26 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
RWC PTEM100050 195mm Lever Top Pressure & Temperature Relief Valve Probe 7 Bar - 1 inch

RWC PTEM100050 195mm Lever Top Pressure & Temperature Relief Valve Probe 7 Bar - 1 inch

PTEM100050

SKU

PTEM100050

£431.58 Incl. VAT £359.65 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
RWC Pressure Relief Valve With Gauge F x F 3 Bar - 1/2 inch

RWC Pressure Relief Valve With Gauge F x F 3 Bar - 1/2 inch

PREL103003

SKU

PREL103003

£39.53 Incl. VAT £32.94 Ex. VAT
£0.00 Incl. VAT £0.00 Ex. VAT
SKUZRC209020
RWC 100 Series Replacement Relief Valve Cartridge - 2.0 Bar
£14.17 Incl. VAT£11.81Ex. VAT
£0.00 Incl. VAT
SKUZRC209021
RWC 100 Series Replacement Relief Valve Cartridge - 2.5 Bar
£14.17 Incl. VAT£11.81Ex. VAT
£0.00 Incl. VAT
SKUZRC214043
RWC 100 Series Replacement Relief Valve Cartridge - 3.0 Bar
£14.17 Incl. VAT£11.81Ex. VAT
£0.00 Incl. VAT
SKUPREL101001
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 2 Bar - 1/2 inch
£19.06 Incl. VAT£15.88Ex. VAT
£0.00 Incl. VAT
SKUPREL101002
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 2.5 Bar - 1/2 inch
£19.04 Incl. VAT£15.87Ex. VAT
£0.00 Incl. VAT
SKUPREL101003
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 3 Bar - 1/2 inch
£17.20 Incl. VAT£14.33Ex. VAT
£0.00 Incl. VAT
SKUPREL101011
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 2 Bar - 3/4 inch
£28.36 Incl. VAT£23.63Ex. VAT
£0.00 Incl. VAT
SKUPREL101012
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 2.5 Bar - 3/4 inch
£28.36 Incl. VAT£23.63Ex. VAT
£0.00 Incl. VAT
SKUPREL101013
RWC 101 Series Sealed Heating System Pressure Relief Valve F x F 3 Bar - 3/4 inch
£28.36 Incl. VAT£23.63Ex. VAT
£0.00 Incl. VAT
SKUPREL101014
RWC 101 Series Sealed Heating System Pressure Relief Valve M x F 2.Bar - 3/4 inch
£27.65 Incl. VAT£23.04Ex. VAT
£0.00 Incl. VAT
SKUPREL101015
RWC 101 Series Sealed Heating System Pressure Relief Valve M x F 2 Bar - 1/2 inch
£17.20 Incl. VAT£14.33Ex. VAT
£0.00 Incl. VAT
SKUPREL101016
RWC 101 Series Sealed Heating System Pressure Relief Valve M x F 3 Bar - 1/2 inch
£18.56 Incl. VAT£15.47Ex. VAT
£0.00 Incl. VAT
SKUPREL101024
RWC 101 Series Sealed Heating System Pressure Relief Valve M x F 2.5 Bar - 1/2 inch
£19.06 Incl. VAT£15.88Ex. VAT
£0.00 Incl. VAT
SKUPREL101027
RWC 101 Series Sealed Heating System Pressure Relief Valve M x F 2.5 Bar - 3/4 inch
£28.36 Incl. VAT£23.63Ex. VAT
£0.00 Incl. VAT
SKUPTEM600001
RWC High Capacity Protection Lever Top Pressure & Temperature Relief Valve - 3/4 inch
£280.76 Incl. VAT£233.97Ex. VAT
£0.00 Incl. VAT
SKUPTEM600003
RWC High Capacity Protection Lever Top Pressure & Temperature Relief Valve - 1 1/4 inch
£659.00 Incl. VAT£549.17Ex. VAT
£0.00 Incl. VAT
SKUPREL100004
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 5 Bar - 1/2 inch x 3/4 inch
£26.42 Incl. VAT£22.02Ex. VAT
£0.00 Incl. VAT
SKUPREL100008
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 2.5 Bar - 1/2 inch x 3/4 inch
£21.37 Incl. VAT£17.81Ex. VAT
£0.00 Incl. VAT
SKUPREL100013
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 2.5 Bar - 3/4 inch x 1 inch
Out of stock
£38.15 Incl. VAT£31.79Ex. VAT
£0.00 Incl. VAT
SKUPREL100014
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3 Bar - 3/4 inch x 1 inch
£35.84 Incl. VAT£29.87Ex. VAT
£0.00 Incl. VAT
SKUPREL100022
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 2.5 Bar - 1 inch x 1 1/4 inch
£54.11 Incl. VAT£45.09Ex. VAT
£0.00 Incl. VAT
SKUPREL100023
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3 Bar- 1 inch x 1 1/4 inch
£54.11 Incl. VAT£45.09Ex. VAT
£0.00 Incl. VAT
SKUPREL100025
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 4 Bar - 1 inch x 1 1/4 inch
£54.11 Incl. VAT£45.09Ex. VAT
£0.00 Incl. VAT
SKUPREL100027
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 5 Bar - 1 inch x 1 1/4 inch
£54.11 Incl. VAT£45.09Ex. VAT
£0.00 Incl. VAT
SKUPREL100028
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 5 Bar - 3/4 inch x 1 inch
£39.30 Incl. VAT£32.75Ex. VAT
£0.00 Incl. VAT
SKUPREL100032
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 2.5 Bar - 1 1/4 inch x 1 1/2 inch
£149.36 Incl. VAT£124.47Ex. VAT
£0.00 Incl. VAT
SKUPREL100033
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3 Bar - 1 1/4 inch x 1 1/2 inch
£142.12 Incl. VAT£118.43Ex. VAT
£0.00 Incl. VAT
SKUPREL100036
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 5 Bar - 1 1/4 inch x 1 1/2 inch
Out of stock
£149.36 Incl. VAT£124.47Ex. VAT
£0.00 Incl. VAT
SKUPREL100049
RWC 100 Series High Capacity Sealed Heating Pressure Relief Valve F x F 3 Bar - 2 inch x 2 1/2 inch
£475.45 Incl. VAT£396.21Ex. VAT
£0.00 Incl. VAT
SKU312405 CST
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 4.00 Bar
£15.16 Incl. VAT£12.63Ex. VAT
£0.00 Incl. VAT
SKU312425
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 2.50 Bar
£14.20 Incl. VAT£11.83Ex. VAT
£0.00 Incl. VAT
SKU312430
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 3.00 Bar
£14.33 Incl. VAT£11.94Ex. VAT
£0.00 Incl. VAT
SKU312460
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 6.00 Bar
£10.44 Incl. VAT£8.70Ex. VAT
£0.00 Incl. VAT
SKU312470
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 7.00 Bar
Out of stock
£14.22 Incl. VAT£11.85Ex. VAT
£0.00 Incl. VAT
SKU312480
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch M x F PN 8.00 Bar
£10.32 Incl. VAT£8.60Ex. VAT
£0.00 Incl. VAT
SKUA312401 CST
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch Pushfit x F PN 3.00 Bar
£11.18 Incl. VAT£9.32Ex. VAT
£0.00 Incl. VAT
SKUA312438 CST
Altecnic Safety Relief Valves Series 312 - 1/2 inch x 1/2 inch Pushfit x M PN 3.00 Bar
£11.15 Incl. VAT£9.29Ex. VAT
£0.00 Incl. VAT
SKU313425
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch F x F PN 2.50 Bar
£21.11 Incl. VAT£17.59Ex. VAT
£0.00 Incl. VAT
SKU313430
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch F x F PN 3.00 Bar
£20.64 Incl. VAT£17.20Ex. VAT
£0.00 Incl. VAT
SKU313460
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch F x F PN 6.00 Bar
£20.64 Incl. VAT£17.20Ex. VAT
£0.00 Incl. VAT
SKU313470
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch F x F PN 7.00 Bar
£20.15 Incl. VAT£16.79Ex. VAT
£0.00 Incl. VAT
SKU313480
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch F x F PN 8.00 Bar
£20.11 Incl. VAT£16.76Ex. VAT
£0.00 Incl. VAT
SKU313525
Altecnic Safety Relief Valves Series 313/314 - 3/4 inch x 3/4 inch F x F PN 2.50 Bar
£25.68 Incl. VAT£21.40Ex. VAT
£0.00 Incl. VAT
SKU313530
Altecnic Safety Relief Valves Series 313/314 - 3/4 inch x 3/4 inch F x F PN 3.00 Bar
£29.30 Incl. VAT£24.42Ex. VAT
£0.00 Incl. VAT
SKU313560
Altecnic Safety Relief Valves Series 313/314 - 3/4 inch x 3/4 inch F x F PN 6.00 Bar
£27.48 Incl. VAT£22.90Ex. VAT
£0.00 Incl. VAT
SKU313570
Altecnic Safety Relief Valves Series 313/314 - 3/4 inch x 3/4 inch F x F PN 7.00 Bar
£25.68 Incl. VAT£21.40Ex. VAT
£0.00 Incl. VAT
SKU313580
Altecnic Safety Relief Valves Series 313/314 - 3/4 inch x 3/4 inch F x F PN 8.00 Bar
£26.90 Incl. VAT£22.42Ex. VAT
£0.00 Incl. VAT
SKU314430
Altecnic Safety Relief Valves Series 313/314 - 1/2 inch x 1/2 inch M x F PN 3.00 Bar
£20.16 Incl. VAT£16.80Ex. VAT
£0.00 Incl. VAT
SKU514425
Altecnic Safety Relief Valves Series 514 - 1/2 inch x 1/2 inch M x F PN Bar 2.50
£14.09 Incl. VAT£11.74Ex. VAT
£0.00 Incl. VAT
SKU514430 CST
Altecnic Safety Relief Valves Series 514 - 1/2 inch x 1/2 inch M x F PN Bar 3.00
£15.49 Incl. VAT£12.91Ex. VAT
£0.00 Incl. VAT

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