Carrier HK02ZB042 Pressure Switch 323613-751 you must purchase a separate

you must purchase a separate activation kit (BMS or Cellular) to connect the sensor to your building management or notification network

reducing labor time during teardown and reassembly of the burner plate and collector box

Key Benefits Multi-Voltage Versatility: Field-adjustable selector switch supports 120

Thermal Stability: Sustains performance during continuous operating temperatures reaching up to 125°F

Technicians should periodically inspect the inlet strainer and clear any heavy sediment

Carrier HK02ZB042 Pressure Switch 323613-751 you must purchase a separateThe Carrier HK02ZB042 Pressure Switch is a critical OEM safety component designed for precise monitoring of combustion air and venting pressure within high efficiency Carrier, Bryant, and Payne furnaces. Factory calibrated to 42# Open and 57# Close, this low pressure switch ensures the inducer motor is moving sufficient air to clear combustion byproducts before allowing the ignition sequence to proceed. It features a 36" lead and a durable diaphragm