This model requires a 24 VAC Class 2 power supply

115V bronze-fitted pump is the engineered direct replacement for the obsolete 174036-143LF

or a furnace that will not complete the ignition sequence

this unit offers a wide regulation range of 15-150 psi (2 to 14 bar)

Setra 2091001PG1M45P1 Pressure Transducer 321042-401 This model requires a 24For veteran technicians and OEMs who need high stability low pressure sensing, the Setra 2091001PG1M45P1 delivers industrial grade performance without the complexity of additional amplification. This gauge pressure transducer is built with a capacitive 17 4 PH stainless steel sensor, ensuring long term reliability in HVAC R equipment, VAV systems, and industrial automation. It provides an 0. 5 to 4. 5 VDC output signal, optimized for compatibility