Rheem-Ruud 47-21711-08 Limit Switch ensuring the regulator cap and

ensuring the regulator cap and adjustment screw seat correctly

You can momentarily jump the terminals to diagnose a faulty switch

This specific model features a 1/4" barbed connection for standard vacuum tubing and is the primary 632252 replacement switch for Nordyne

This SPST open on rise switch provides critical high-limit protection

Rheem-Ruud 47-21711-08 Limit Switch ensuring the regulator cap andThe Rheem Ruud 47 21711 08 Limit Switch is a critical safety component designed for precise thermal regulation in Rheem furnace and HVAC applications. This OE OEM replacement part features a fixed open temperature of 130 degrees F and a fixed close temperature of 110 degrees F, ensuring reliable HVAC temperature control by breaking the circuit if internal temperatures exceed safety margins. Engineered as a SPST normally closed switch, it includes an