Armstrong Furnace R37520B009 Rollout Switch 3 mL/s) at 20 psig

3 mL/s) at 20 psig

The core construction features a stainless steel outer jacket that provides superior resistance to high-temperature oxidation and heat blistering

or a blocked flue

Universal Compatibility: Hubless configuration simplifies mounting for standard refrigeration motor shafts

Constructed for long-term reliability in harsh mechanical rooms

Armstrong Furnace R37520B009 Rollout Switch 3 mL/s) at 20 psigThe Armstrong Furnace R37520B009 Rollout Switch is a critical safety component designed for high temperature monitoring in residential gas furnaces. This manual reset rollout switch is engineered with a fixed 300 degrees F trip point, providing essential protection by breaking the electrical circuit if flame rollout is detected near the burner assembly. Featuring a Single Pole Single Throw (SPST) configuration, this limit control integrates seamlessly