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Common Questions: Is the 100208241 a direct replacement for the SWT2004
Common Technical Questions How do I omit certain days from the timer's schedule
a specialized version with different bellows material would be required
swapping in this genuine Williams furnace part ensures your installation meets original manufacturer specifications and local mechanical codes
OEM Compatibility: Direct replacement for Carrier HH19ZA201
Williams 12B40 Observation Door 321894-709 Common Questions: Is the 100208241The Williams 12B40 Observation Door is a critical OEM replacement part designed for high performance direct vent and gravity fed wall furnaces. This assembly, also commonly referred to as a peep hole cover assembly, provides technicians with a secure access point to monitor the pilot flame and combustion status without compromising the envelope of the combustion chamber. Engineered for a precise fit, the kit includes the durable observation door, a
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