This Potterton 3 bar safety valve or pressure relief valve is a safety device designed for use in Potterton Powermax, Promax and Promax ErP Boilers. Normally located beneath a Boiler, Within the hydraulics and connected to the outside of a property via a discharge pipe, the pressure relief valve works With the expansion vessel and is designed to control pressure in a closed system, relieving a build-up to avoid damage or malfunction.
Please always refer to the manufacturer’s instructions for the correct application. All parts should be fitted by a qualified gas-safe certificate plumber.
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Suitable for the following appliances:
• Powermax 24 HE Boiler
• Powermax He 85/115/150
• HE Store (115/150/90 litres)
• Promax Store 24 HE Boiler
• Promax 24 Store 150/115/90 L Cylinder ErP