R604221-01 | Door Switch/Interlock Switch | Armstrong Furnace Amperage_3.7A It operates on a 115-volt

It operates on a 115-volt power supply and delivers a speed of 900 revolutions per minute (RPM)

Order yours today from Our trusted HVAC store and experience the advantage of fast shipping and competitive pricing

Its precision design ensures secure locking and precise alignment

This valve is constructed from durable materials and features a compact design for easy installation

R604221-01 | Door Switch/Interlock Switch | Armstrong Furnace Amperage_3.7A It operates on a 115-voltArmstrong Furnace Door Switch Interlock Switch (R604221 01) This Armstrong Furnace Door Switch Interlock Switch (R604221 01) is an essential component designed to ensure safety and proper operation of your furnace system. Engineered to meet rigorous standards, it acts as a vital safeguard, preventing the furnace from operating when the access door is open. Specifically engineered for Armstrong furnaces, this switch features a durable construction that