Field Controls WMO-1 Safety Switch

Product 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 responds to vent blockages.
• Requires manual reset after activation.

Product Highlights

This safety switch enhances the operational safety of oil-fired systems by preventing dangerous flue gas backdrafts.

Product Information

Standard Information

• Brand: Field Controls
• MPN: WMO-1

Technical Specifications

• Voltage: 120VAC
• Includes: (1) Blocked Vent Switch Assembly, (2) 5/8 x 11 UNC Hex Jam Nuts, (1) Instruction Sheet
• For Use With Manufacturer Model Numbers: 4 in RC, 5 in RC, 6 in RC, 7 in RC, 8 in RC, 9 in RC, 6 in M, 7 in M, 8 in M, 9 in M
• Country of Origin: United States