Johnson Controls P499RCH-401 Pressure Transducer 321702-401 Professionals typically utilize this aquastat

Professionals typically utilize this aquastat controller in Alliance AL-26

Professional installation is required to ensure the correct programmable parameters are recognized by the system integrated control (SIC)

making it ideal for standard commercial ductwork and air handling units

This 115V centrifugal inducer motor is designed to facilitate proper combustion air flow and exhaust gas removal

This original equipment manufacture (OEM) part ensures the furnace control board reads the correct resistance during the trial for ignition

Johnson Controls P499RCH-401 Pressure Transducer 321702-401 Professionals typically utilize this aquastatThe Johnson Controls P499RCH 401 is a high accuracy refrigeration pressure transducer engineered for demanding HVACR environments. Designed to provide a linear 0. 5 to 4. 5 Vdc output signal, this ratiometric sensor monitors a pressure range of 1 to 8 Bar, making it ideal for low side suction monitoring or head pressure control in light commercial systems. The unit features a durable stainless steel construction and is compatible with all common non