If the switch remains open even after the system cools

As a direct replacement for 3TX7144-1E4

This is the classic symptom of a failed flame sensor

and T3A series

Rheem-Ruud 62-22727-01 Pilot Orifice If the switch remains openThe Rheem Ruud 62 22727 01 Pilot Orifice is a precision engineered OEM furnace replacement part designed specifically for Liquid Propane (LP) ignition systems. Featuring a critical 0. 010 inch orifice diameter, this component regulates fuel velocity to ensure a stable pilot flame and reliable ignition across select Rheem, Ruud, and Richmond heating units. As a veteran grade LP gas pilot orifice, it is essential for technicians performing seasonal