Place of Origin:
China
Brand Name:
UP
Built for condensing heat exchanger applications, the Sealing Gasket Kit includes durable O rings, sealing gaskets, and washers. These important sealing components help ensure system reliability, prevent leaks, and maintain efficient boiler operation.
The biggest difference behind our sealing gasket kit is that we are the manufacturer of both products. We produce the gaskets and the heat exchangers together, ensuring every sealing component is carefully designed, fitted, and tested as part of a complete condensing heat exchanger system.
Our gaskets are not generic parts. They are engineered specifically for heat exchangers — the dimensions, the compression rate, the material grade — all matched in-house.
Result: No gaps. No leaks. No guesswork.
Before any gasket kit leaves our factory, it has already been through real-world testing on our own production line:
| Test |
What We Check |
| Assembly Fit Test | Gasket fits the heat exchanger perfectly — first time, every time |
| Combustion Leak Test | No gas escapes under real operating pressure and temperature |
| Thermal Cycling Test | Seal holds after repeated heating and cooling cycles |
| Aging & Durability Test | Material stays stable over long-term use |
Every kit you receive is a proven, validated product — not a theoretical fit from a catalog.
Seals are made from Graphite — selected specifically for condensing boiler environments.
Prevents two critical risks:
· Noxious gas leaks — keeping combustion gases safely inside
· Water leakage — protecting the appliance and surrounding area
More Reliable — Because We Own the Full System
If any issue ever arises, there is only one supplier to call — us. We control every step from material selection to final assembly. You get:
· Faster problem resolution
· Full technical support
· Consistent, traceable quality
· O-Rings (various sizes)
· Flat Gaskets
· Washers / Sealing Rings
· Custom configurations available on request
Why You Can Buy With Confidence
Small parts. But they are not guesswork.
Every gasket we sell has been made by us, fitted to our own heat exchanger, and put through rigorous testing.
You buy with confidence. You install with certainty.
Custom sizes, custom materials, and OEM branding available.
Contact us for pricing and specifications.
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Product packaging
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