250°F Fixed Setpoint: Provides accurate thermal protection against flame rollout to prevent manifold and wiring damage

the NEMA 4X rating indicates it is designed for watertight and dust-tight performance

this part is calibrated for the specific pressure setpoints required by Bard wall-mount HVAC systems and is recommended for OEM applications

and overall system protection

The York S1-024-24103-000 is an OEM 24V SPST Relay designed for precision switching in residential and light commercial HVAC equipment

Carrier 50DK503891 Regulator 318172-701 250°F Fixed Setpoint: Provides accurateThe Carrier 50DK503891 Regulator is a critical component for maintaining precise pressure control within Carrier commercial HVAC systems. Engineered for high demand environments, this direct acting gas regulator ensures consistent manifold pressure, which is essential for stable combustion and optimal thermal efficiency. HVAC contractors frequently utilize the Carrier 50DK503891 during gas valve assembly repairs or full system overhauls to rectify