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compression set
As a professional-grade replacement operator assembly
For contractors performing maintenance or repairs on electric fan-forced heaters
this is a model-specific Weil McLain 383-500-619 assembly
Versatile Media Compatibility: Rated for lubricated air
Field Controls 46086900 Safety Switch 30067439-890 compression setSpecifically engineered for oil fired appliances, the Field Controls 46086900 (Model WMO 1) is a heavy duty manual reset thermal safety switch designed to protect systems operating under negative pressure. This blocked vent safety switch monitors flue gas temperatures and automatically interrupts the burner circuit if it detects hazardous conditions, such as a vent blockage, continuous downdrafting, or flue gas spillage. Rated for 120Vac and
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