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Common Installation Questions What is the maximum pressure rating for this switch
Environmental Resilience: Rated for ambient temperatures ranging from -40°F to 175°F
Operational Efficiency: Optimized for high-BTU output with low energy consumption
the 10-bolt flange design allows for easy head mechanism removal and maintenance without disturbing the boiler piping connections
Whether you are servicing a residential split system or a package unit
Williams P332490 Switch 326070-701 Common Installation Questions What isThe Williams P332490 Switch is a critical OEM replacement fan switch specifically engineered for Williams direct vent furnaces. This automatic blower switch is designed to integrate seamlessly with the 2302 blower assembly, providing precise control over the heating cycle by managing the blower activation based on internal plenum temperatures. Constructed for professional grade durability, the P332490 functions as a reliable furnace limit control,