The Bristan 131-300-105 Heat Exchange Unit Assy 10.5kW is a genuine Bristan replacement heating element assembly designed for compatible 10.5kW electric shower models. It replaces the internal heat exchange component that warms water, restoring proper temperature performance where the original unit has failed or become inefficient.
This heat exchange unit contains the internal heater and associated seals that generate hot water in 10.5kW Bristan electric showers. Replacement is typically needed when the shower ceases to heat correctly, delivers cold or inconsistent water, or repeatedly triggers safety cut-outs.
--Genuine Bristan heat exchange assembly
--10.5kW electrical rating for correct load
--Includes heating element and seals
--Durable construction for reliable performance
--Bristan Bliss 10.5kW Electric Shower – Black
--Bristan Bliss 10.5kW Electric Shower – White
--Bristan Glee 10.5kW Electric Shower – Black
--Bristan Glee 10.5kW Electric Shower – White
--Bristan Joy 10.5kW Electric Shower – Black
--Bristan Joy 10.5kW Electric Shower – White
--One Bristan 131-300-105 heat exchange unit assembly
Isolate the water and electrical supplies before replacing the heat exchange unit. Remove the shower cover to access the internal assembly, detach the failed unit, and install the 131-300-105 replacement, ensuring seals and connections are correctly seated. Restore supplies and test for correct hot water delivery and safety operation.
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