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Optimized for heating
UPC: 643303905995
50PCV030903
The Trane COM8939 is a 265v1ph 1
Item Number: EXC1301
Field Controls WMO-1 Safety Switch voomi_id_8285 Optimized for heatingProduct Description The Field Controls WMO 1 is a safety switch designed specifically for oil fired appliances operating under negative pressure. This device detects blocked vent systems and reacts to hot flue gases that may back up through its heat transfer tube. The WMO 1 can be wired to shut off the oil burner if a blockage is detected, promoting safe operation of your heating system. Used with oil fired appliances. Automatically detects and
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