"H-721LC" is a common alternate SKU format for the Veris Industries H721LC solid-core transducer

The Amana-Goodman 0130P00086 Thermistor is a critical temperature-sensing component engineered for precise thermal monitoring in high-efficiency HVAC systems

If the switch remains open even after the system cools

As a direct BBD-8571-20 replacement

and VCP-34 series pneumatic actuators

Rheem-Ruud 62-22727-01 Pilot Orifice "H-721LC" is a common alternateThe 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