| Payment Terms | T/T |
| Delivery Time | 30days |
| Packaging Details | Standard seaworthy package |
| Installation | Easy to install with basic tools |
| Durability | Corrosion resistant |
| Weight | Depends on specific spare part |
| Connectiontype | Threaded or Plug-in |
| Dimensions | Varies by part type |
| Compatibility | Universal fit for most heating systems |
| Brand Name | UP |
| Certification | CE ISO |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Delivery Time | 30days |
| Packaging Details | Standard seaworthy package | Installation | Easy to install with basic tools |
| Durability | Corrosion resistant | Weight | Depends on specific spare part |
| Connectiontype | Threaded or Plug-in | Dimensions | Varies by part type |
| Compatibility | Universal fit for most heating systems | Brand Name | UP |
| Certification | CE ISO | Place of Origin | China |
| High Light | vaillant 0020188930 ,vaillant heating spare parts ,boiler 0020188930 | ||
Built for modern condensing heat exchanger systems, the Sealing Gasket Kit combines O rings, washers, and sealing gaskets that are essential for safe and efficient boiler performance. Proper sealing components help protect the system from leakage, improve thermal efficiency, and support long lasting equipment operation.
Why do our gasket kits offer better compatibility?
"We are the direct manufacturer of both gaskets and heat exchangers."
Unlike ordinary parts suppliers, we design and manufacture all sealing components together with the heat exchanger system for improved fitment and reliable performance.
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
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Product packaging
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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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