Rheem-Ruud 42-18287-12 Relay OEM Durability: Constructed to York

OEM Durability: Constructed to York technical specifications for better resistance to thermal fatigue compared to generic after-market switches

the 059867801 offers a direct-fit solution that avoids the calibration issues common with generic alternatives

Key Benefits Precise Thermal Protection: Features a fixed L170-30F high limit to shut down burners before the heat exchanger reaches critical temperatures

specifically cross-compatible with the Sensus 243-12 and Sensus 121 series industrial regulators

heat-resistant elastomer capable of withstanding the thermal cycling of combustion chamber environments

Rheem-Ruud 42-18287-12 Relay OEM Durability: Constructed to YorkThe Rheem Ruud 42 18287 12 Relay is a heavy duty DPDT (Double Pole Double Throw) power relay engineered for precision switching in residential and commercial HVAC systems. This 24V coil relay is a critical component for controlling high current loads, featuring a 12 amp contact rating that ensures durability under cycling demands. Designed as a direct OEM replacement for various Rheem and Ruud air handlers and furnaces, it facilitates the switching of