Bristan 131-309-S Pressure Relief Diaphragm Housing Assembly for SM/​TH/​GL/​JOY/​BL

SUMMARY

Product Overview

The Bristan 131-309-S Pressure Relief Diaphragm Housing Assembly is a genuine Bristan spare part designed to house the pressure relief diaphragm within compatible Bristan electric showers. It supports the internal pressure relief mechanism and helps maintain safe performance where the original housing has cracked, leaked, or deteriorated.

Function & Use

This pressure relief diaphragm housing holds the diaphragm element inside the shower valve body to safely relieve excess pressure and protect internal components. Replacement is typically required when water leaks around the housing, the diaphragm fails to seat correctly, or the housing shows signs of physical damage.

Key Features

--Genuine Bristan pressure relief diaphragm housing assembly

--Designed to support the internal pressure relief diaphragm

--Durable construction for long service life

--Essential safety-related spare for electric showers

Confirmed Compatible Models

--Bristan Bliss Electric Shower 10.5kW Black

--Bristan Bliss Electric Shower 10.5kW White

--Bristan Bliss Electric Shower 9.5kW Black

--Bristan Bliss Electric Shower 9.5kW White

--Bristan Bliss MK1 Electric Shower

--Bristan Bliss MK2 Electric Shower 8.5kW Black

--Bristan Bliss MK2 Electric Shower 8.5kW White

--Bristan Cheer Electric Shower 8.5kW White

--Bristan Cheer Electric Shower 9.5kW White

--Bristan Glee Electric Shower 10.5kW Black

--Bristan Glee Electric Shower 10.5kW White

--Bristan Glee Electric Shower 8.5kW Black

--Bristan Glee Electric Shower 8.5kW White

--Bristan Glee Electric Shower 9.5kW Black

--Bristan Glee Electric Shower 9.5kW White

--Bristan Glee MK1 Electric Shower

--Bristan Glee MK2 Electric Shower

--Bristan Joy Electric Shower

--Bristan Joy ThermoSafe Electric Shower

--Bristan Joy Thermostatic Electric Shower 8.5kW Metallic Silver

--Bristan Joy Thermostatic Electric Shower 8.5kW White

--Bristan Joy Thermostatic Electric Shower 9.5kW Metallic Silver

--Bristan Joy Thermostatic Electric Shower 9.5kW White

--Bristan Smile Electric Shower

--Bristan Smile Electric Shower 9.5kW White

What’s Included

--One Bristan 131-309-S pressure relief diaphragm housing assembly

Installation Notes

Isolate the water and electrical supplies before replacing the pressure relief housing. Remove the shower cover to access the old housing, detach it, and install the new 131-309-S assembly, ensuring the diaphragm and seals are correctly positioned for leak-free operation.

FAST DELIVERY

• Delivery of this item is priced as a 'small packet'. UK delivery costs £5.95 incl. VAT.
• For all in-stock spare parts the typical UK delivery timescale is 2-5 working days.
• If you need a part urgently then we can provide a next-day (delivered Mon-Fri) UK delivery service for all in-stock small parcels ordered before 3.00pm, Monday - Friday.
• Next day delivery is available to select at an additional charge during the checkout.
• We delivery WORLDWIDE. For more information about international deliveries, read our delivery page.

RETURNS

• If you need to return a part then please telephone Di Vapor on 0121 705 0866 with the reasons for the return within 14 days of receiving the goods.
• For more information please see our terms and conditions.