Field Controls WMO-1 Oil Fired Thermal Safety Switch

Oil Fired Thermal Safety Switch for oil-fired appliances delivers reliable overheat protection. The Field Controls WMO-1 Thermal Safety Switch is designed for use on power and chimney venting oil-fired systems, offering a robust SPST switching action that interrupts power when temperatures exceed the set point. This normally closed device opens at 200°F and requires a manual reset to close, providing a fail-safe when overheating occurs.

Built for safety and durability, it operates at 240 Volt AC with a 10 Amp current rating, and uses silver contact material for dependable conductivity in demanding heating environments. The compact WMO-1 unit is engineered to integrate easily into existing installations, delivering dependable protection for both the power line and venting pathways of oil-fired appliances.

• Voltage Rating: 240 VAC
• Current Rating: 10 A
• Switch Type: SPST, Normally Closed
• Opens at: 200°F; Manual Reset to Close
• Contact Material: Silver
• Application: For power and chimney venting oil-fired appliances