the HH84AA020 furnace board serves as the direct replacement for HH84AA020

ensuring rapid regulator diaphragm response during the opening cycle

This valve is rated for media temperatures up to 221°F (105°C)

Engineered for high-demand hydronic and low-pressure steam applications

it will indirectly trip during a phase loss event due to the resulting rapid increase in current draw on the remaining legs

Conbraco 20-104-10-7 3/4 Water Gauge Els PW 17895 the HH84AA020 furnace board servesThe Conbraco 20 104 10 7 is a contractor grade 3 4 inch water gauge set engineered for reliable liquid level monitoring in high demand boiler and hydronic environments. This rough bronze water gauge assembly features a 1 2" NPT male connection and is equipped with a 5 8" OD x 7 3 4" length standard glass tube, providing a clear visual interface for fluid verification. Designed to meet ASME design requirements, the unit is constructed from heavy duty