Honeywell 14004406-910 Thermostat Cover or an oversized burner orifice

or an oversized burner orifice

Is this switch manually or automatically reset

Pressure switches are safety devices calibrated to specific inches of water column

performing reliably under high-temperature cycling

while designed for Barber Colman and Schneider Electric systems (like the AM-111 crank arm)

Honeywell 14004406-910 Thermostat Cover or an oversized burner orificeThe Honeywell 14004406 910 serves as a direct replacement component for various commercial pneumatic thermostats, providing a ruggedized interface for sensitive environmental controls. Engineered for versatility, this cover supports both vertical and horizontal mounting orientations, making it a critical stock item for retrofitting older pneumatic systems. The unit features built in temperature scale inserts calibrated for a 60 90 degree Fahrenheit