the HH84AA020 furnace board serves as the direct replacement for HH84AA020

The nickel-plated forged brass body housing a 304 stainless steel ball and stem provides superior durability and resistance to scaling

reservoirs

Superior Seal Integrity: Replaces worn

Set at a precise 15 PSI pressure relief

Veris Industries PWLX05S Transducer 30067439-890 the HH84AA020 furnace board servesThe Veris Industries PWLX05S Transducer is a robust wet media differential pressure sensor engineered for demanding mechanical rooms. This model features a built in LCD display for immediate local diagnostics and supports a broad 0 250 PSID range, making it the standard for monitoring pump differential pressure and chiller boiler pressure drops. Designed with a NEMA 4 rated enclosure, the PWLX05S utilizes microprocessor profiled sensors to maintain