Rheem-Ruud 42-21571-08 Relay A damaged or incorrect orifice

A damaged or incorrect orifice can lead to flame rollout or poor venting performance in intermittent pilot and direct spark ignition systems

compatibility depends on matching the 3

Because of the positive shut-off ball check

The double pole double throw (DPDT) configuration provides two sets of power-rated contacts

the ICM203 utilizes a simple two-wire hookup that integrates directly in series with the control circuit

Rheem-Ruud 42-21571-08 Relay A damaged or incorrect orificeThe Rheem Ruud 42 21571 08 Relay is an essential 24V SPST Normally Open control relay specifically engineered for high cycle reliability in residential and commercial HVAC equipment. As a genuine OEM Rheem replacement part, this relay provides a precise match for voltage requirements and mechanical mounting within Rheem and Ruud air handlers, furnaces, and condensing units. It handles switching for internal fan motors, compressors, and auxiliary