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Its non-positional mounting design and universal bracket ensure a seamless fit in any orientation
Constructed from wrot copper to ASTM B75 standards
Common Questions Is the 42J04 compatible with my older 42J0401 switch
If you see a small blue spark jumping to the furnace frame instead of the burner
Superior Adhesion: Industrial-strength pressure-sensitive adhesive bonds to copper
Williams P213400 Switch Its non-positional mounting design andThe Williams P213400 Fan Selector Switch F160 30F is a critical OEM spec replacement component engineered for high performance direct vent and gravity wall furnaces. As a primary HVAC blower control switch, this unit facilitates precise multi speed fan regulation to maintain optimal thermal distribution and equipment efficiency. Designed specifically as a Williams furnace replacement part, the F160 30F integrates seamlessly with Williams models