Hydrotherm 14-00301-001 Pressure Switch 321894-708 specifically models like HHY12A and

specifically models like HHY12A and HLY06

The 5-foot length offers maximum flexibility for custom routing in diverse unit types

Most OEM Copeland start capacitors are designed to work with standard starting relays

Standard Connection: Features a 1/4 inch male quick-connect terminal for rapid wiring to the existing harness

Hydrotherm 14-00301-001 Pressure Switch 321894-708 specifically models like HHY12A andThe Hydrotherm 14 00301 001 Pressure Switch is a critical safety component engineered for precise monitoring of airflow and combustion gas pressure within hydronic heating systems and commercial boilers. This OEM Hydrotherm part serves as a direct replacement for Hydrotherm 02 4881, ensuring the burner only ignites under safe venting conditions. For technicians, this HVAC pressure switch is essential for preventing hazardous operation caused by