Wuxi UP Technology Co., Ltd.
| Payment Terms | T/T |
| Delivery Time | 30days |
| Packaging Details | Standard seaworthy package |
| Thickness | 3mm |
| Function | Seals joints to prevent leaks |
| Temperatureresistance | Up to 120°C |
| Compatibility | Vaillant boilers and heating systems |
| Installationtype | Easy to install and replace |
| Material | High-quality rubber |
| Brand Name | UP |
| Certification | CE ISO |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Delivery Time | 30days |
| Packaging Details | Standard seaworthy package | Thickness | 3mm |
| Function | Seals joints to prevent leaks | Temperatureresistance | Up to 120°C |
| Compatibility | Vaillant boilers and heating systems | Installationtype | Easy to install and replace |
| Material | High-quality rubber | Brand Name | UP |
| Certification | CE ISO | Place of Origin | China |
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Our Sealing Gasket Kit is designed for condensing heat exchangers. It includes O-rings, gaskets, and washers — small components that play a critical role in keeping the entire system sealed, safe, and efficient.
The most important difference about our gasket kit?
"We make the sealing gaskets. We also make the heat exchangers."
Both products come from our own factory. This means every gasket in our kit has been designed, made, and tested together with our heat exchanger — not sourced from a third party and simply resold.
Our gaskets are not generic parts. They are engineered specifically for our 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.
Resistant to weakly acidic condensate (pH 3–5) and high-temperature flue gas.
Prevents two critical risks:
· Noxious gas leaks — keeping combustion gases safely inside
· Water leakage — protecting the appliance and surrounding area
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
| Reson | What It Means for You |
| Self-manufactured | We make it — no middleman markup |
| Pre-fitted & tested | Already proven on our own heat exchanger |
| Verified safety | Combustion leak test passed before shipping |
| OEM / ODM available | Custom sizes and branding welcome |
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.
Certificate
Product packaging
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2022
Total Annual:
60000-120000
Employee Number:
30~50
Ecer Certification：
Verified Supplier
Backed by more than two decades of specialized experience in thermal engineering and precision manufacturing, we operate as a fully integrated R&D and manufacturing enterprise. · Customized stainless steel heat exchangers for fully premixed condensin... Backed by more than two decades of specialized experience in thermal engineering and precision manufacturing, we operate as a fully integrated R&D and manufacturing enterprise. · Customized stainless steel heat exchangers for fully premixed condensin...
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