Leaking from the spring cage vent usually indicates a perforated diaphragm

This 24V modulating gas valve is engineered for natural gas pool heaters and boilers

this SPDT pressure switch is equipped with a manual reset on the high-pressure side

Key Benefits: OEM Precision: Genuine York replacement part calibrated for exact compatibility with York chiller control boards

moisture-resistant aluminum casing

Carrier KR11HY216 Sheave 321142-301 Leaking from the spring cageProfessional grade Carrier KR11HY216 Sheave is a critical component for maintaining precise mechanical power transmission in belt driven HVACR systems. This cast iron sheave features a high durability construction designed to withstand the operational stressors of commercial air handlers and rooftop units. With a 7 8" bore and a 4. 15" diameter, this single groove component ensures accurate blower RPM and airflow management. It is a direct OEM