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Product Overview

What Does a Thermal Insulation Pad Do?

In a full premix condensing boiler system, the insulation pad sits between the burner and the heat exchanger (or between structural components). It serves several essential roles:

Seals combustion gas from leaking at the burner-to-heat exchanger joint

Insulates surrounding parts from extreme heat

Absorbs vibration and reduces mechanical stress on the heat exchanger

Protects plastic housings, wiring, and other sensitive parts from heat damage

Maintains consistent contact pressure between the burner and heat exchanger over time

Without a properly fitted insulation pad, combustion gas may leak, heat may damage surrounding parts, and boiler efficiency will drop — leading to safety risks and product failures.

Key Features

1. Product Overview

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.

2. Our Key Advantage — We Make Both

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.

3. What Does This Mean for You?

Better Fit — Because We Designed It Together

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.

Fully Validated — Because We Tested It Ourselves

Before any gasket kit leaves our factory, it has already been through real-world testing on our own production line:

Every kit you receive is a proven, validated product — not a theoretical fit from a catalog.

Safer System — Because Every Part Is Under Our Control

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

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

4. What's Included in the Kit

·       ✅  O-Rings (various sizes)

·       ✅  Flat Gaskets

·       ✅  Washers / Sealing Rings

·       ✅  Custom configurations available on request

5. Why You Can Buy With Confidence

6. Summary

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.

9. How to Work With Us

Getting started is simple:

Step 1 — Send us your sample or drawing (PDF, DWG, STEP, or physical sample)

Step 2 — We confirm specifications and provide a quote (Usually within 2 business days)

Step 3 — We produce a prototype and send for your approval

Step 4 — Mass production begins upon your confirmation

10. Contact Us

We welcome all inquiries for:

Standard insulation pad supply

Custom shape / size manufacturing

Matched heat exchanger + insulation pad sets

OEM / ODM cooperation

Certificate

Product packaging