Reznor 197078 Flow Switch 30067439-890 it is the ideal choice

it is the ideal choice for low-pressure secondary loops

ideal for R-410A and other high-pressure HVACR applications

audible buzzing indicating a compromised magnetic field

This lamp is the standard replacement for the Lennox Healthy Climate UVO series

Reznor 197078 Flow Switch 30067439-890 it is the ideal choiceAs a veteran technician, you know that a failing pressure switch quickly shuts down a job site. The Reznor 197078 Air Flow Switch is the primary safety mechanism for ensuring proper draft and venting before the burner cycle begins. This genuine OEM part is engineered with a specific 0. 80 IN WC set point, calibrated to the rigorous tolerances required for Reznor UDX, UDZ, and older unit heaters. Operating as an SPST contact type (Single Pole Single