Field Controls 46086900 Safety Switch 30067439-890 Most failures result from moisture—condensate

Most failures result from moisture—condensate backflow in high-efficiency furnaces can lead to rust and imbalance

you know that maintaining a tight seal is critical for system efficiency

this adjustable pressure switch features a set point range from 0

making it suitable for demanding mechanical rooms

Field Controls 46086900 Safety Switch 30067439-890 Most failures result from moisture—condensateSpecifically 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