Description
Fixed Thermal Calibration: Calibrated to trip at exactly 220°F (L220F) to protect the heat exchanger and surrounding components
and moisture ingress
the gasket is designed for dry installation on clean
ensuring more energy stays in the system rather than exiting the stack
When performing seasonal maintenance or a call for "no heat
McDonnell & Miller 336500 Gasket Fixed Thermal Calibration: Calibrated to847 26 GASKET 336500 is the updated version for 335400
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























