By utilizing this Robertshaw 722 conversion

offering the stability required for modern multi-speed or single-stage configurations

Propane (LP) conversions require a different orifice size and specific LP conversion kits to account for higher gas density

and radiant heat applications

This Bloomfield replacement part is the copper tube assembly

Lennox 10P29 Thermocouple By utilizing this Robertshaw 722The Lennox 10P29 Thermocouple is a mission critical 30MV furnace flame sensor designed for standing pilot gas fired heating systems. This 30 inch universal thermocouple generates a millivolt signalapproximately 30 mV DCto maintain the connection with the Pilotstat safety control power unit. Engineered for versatility, it is an OEM level replacement for Lennox part numbers 78B72, 31C38, 11Z70, and 10P2901, as well as several Honeywell Q340A series