The Carrier HK02UB042 Pressure Control is a versatile OEM replacement pressure switch designed for high-performance monitoring in residential and commercial HVACR systems

it is optimized for counter-clockwise (CCW) rotation

A failing or imbalanced blower wheel is a common culprit for unusual rattling or scraping noises

ensuring seamless compatibility with Series 88 units

or bird nests in the flue pipe before replacing the part

Setra 2561250PG2M11 Pressure Transducer 322027-701 The Carrier HK02UB042 Pressure ControlThe Setra 2561250PG2M11 Pressure Transducer is a rugged, industrial grade sensor engineered for high accuracy monitoring in demanding HVACR and process control environments. This gauge pressure transmitter features a 0 to 250 PSI range and utilizes Setras proven capacitive sensing technology, which provides superior resistance to shock, vibration, and EMI RFI interference. Housed in a durable NEMA 4 IP65 die cast aluminum enclosure, this unit is