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Universal Heat Exchanger Plate O-Ring
The Universal Heat Exchanger Plate O-Ring is a high-temperature, pressure-resistant elastomeric seal designed to secure a watertight connection between a boiler's secondary plate heat exchanger and the main hydraulic block. Engineered to withstand continuous thermal cycling, this crucial sealing component prevents structural water leaks under system pressure, ensuring domestic hot water and central heating water circuits remain completely isolated.
Universal Compatibility: Specially molded to fit a wide range of standard domestic combi boiler plate heat exchangers, adapting seamlessly to both brass and composite hydro-block ports.
High-Grade Elastomeric Compound: Manufactured from premium, heavy-duty rubber to resist chemical degradation, scale build-up, and continuous exposure to high hot water temperatures.
Leak & Pressure Drop Prevention: Replaces warped, flattened, or brittle original seals to eliminate dripping under the boiler jacket, directly resolving chronic system pressure drops.
Precise Seating Geometry: Provides an immediate, secure compression seal during heat exchanger installation, absorbing system vibrations and preventing seal pinching.
Application & Fitment
These replacement O-rings are engineered universally for Domestic Hot Water (DHW) Plate Heat Exchangers across major heating systems:
Universal Combi Boiler Application: Suitable for standard secondary plate heat exchangers used in modern condensing and traditional combi boiler models.
Hydro-Block Interface: Designed for a flush, leak-proof seat between the exchanger ports and the primary flow/return hydraulic components.
Service Recommendation: It is highly recommended to replace the O-rings in complete sets whenever the plate heat exchanger is removed for descaling or replacement to ensure a reliable seal.
Part34
A00120-03
