R604221-01 | Door Switch/Interlock Switch | Armstrong Furnace Amperage_3.7A known for its quality and

known for its quality and performance in the industrial sector

Don't compromise on performance and safety - trust Reznor for your HVAC needs

**Features:** * **Stainless Steel Construction:** Ensures corrosion resistance and longevity in harsh conditions

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

renowned for its commitment to innovation and reliability

R604221-01 | Door Switch/Interlock Switch | Armstrong Furnace Amperage_3.7A known for its quality andArmstrong 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