Is the Robertshaw 720-402 compatible with LP gas

Direct OEM Replacement: Matches factory specifications for bolt patterns and port alignments

Does this unit require a battery for the clock

resisting breakage during shipping and installation

Its robust housing and balanced impeller minimize vibration

Nordyne 904768 Door Set 319852-301 Is the Robertshaw 720-402 compatibleThe Nordyne 904768 Door Set is a precision engineered replacement panel assembly designed specifically for M7RL and M7TL series gas furnaces. This OEM kit ensures a proper airtight seal across the heat exchanger and blower compartments, which is critical for maintaining correct static pressure and furnace efficiency. Constructed from heavy gauge galvanized steel with a high durability finish, the upper and lower door set provides necessary protection