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The WILLIAMS COMFORT PRODUCTS 40000-TH is a bimetal gasket scrap piece measuring 0.25 inches by 6 inches. This small-form sealing and thermal-compensating component is used in gas-fired heating appliance service and repair. Bimetal strips and gasket material of this type are found in burner assemblies, thermostatic controls, and valve mechanisms where differential thermal expansion is a design factor. Licensed heating technicians and experienced HVAC service pros typically source this part for OEM-style repair work on Williams heating equipment. At 0.32 pounds, it ships as a single unit and requires no special handling.
This part is appropriate for residential and light-commercial gas heating service scenarios where original-spec gasket or bimetal strip material is required. It is commonly used during burner servicing, control rebuilds, or any procedure that disturbs the sealing surfaces or thermal components within a Williams gas heater. Installations involving proprietary Williams furnace and wall heater platforms are the primary use case. No additional quantity minimums apply beyond single-unit purchase.
Designed as an OEM-style replacement gasket and bimetal component for Williams Comfort Products gas heating equipment. Consult your specific Williams unit service manual to confirm fitment before installation.
Installation should be performed by a qualified HVAC or gas appliance technician familiar with Williams heating equipment. Always shut off gas supply and disconnect electrical power to the appliance before disassembling any burner, valve, or control components. Follow applicable local codes and manufacturer service documentation when replacing gasket or bimetal parts. Avoid over-compressing gasket material during reassembly, as this can affect sealing integrity.
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