Rheem Furnace Parts 47-21900-05 Temperature Control Limit SwitchTemperature Control Limit Switch, a core part of Rheem furnace parts, protects your gas furnace from overheating. The 47 21900 05 features a Large Flanged Airstream design with Manual Reset, delivering reliable protection after a trip. Operating at a temperature range of 200F (Open), it safely interrupts power to prevent damage and reduce risk. With a 230V AC, 25A contact rating and SPST, NC configuration, this switch offers robust performance and

Designed to fit a range of Carrier models

Valve position: Normally Open (NO)

This makes it a versatile choice for both new builds and upgrades

Maximum pressure: 10 PSIG

000 BTU/Hour provide strong performance in limited spaces

Durable brass body engineered for long-term performance

it serves as a primary furnace pressure switch

Valve N Dsi Snap Wr 36g22512 is designed to deliver reliable control in Heil Quaker/ICP systems

non-lock up regulator uses a 3/4 inch nominal size and female threaded end connections

this rollout safety switch integrates seamlessly into existing control circuits

flexible routing for tight spaces

it integrates with standard control boards and provides reliable service in residential or light commercial systems