While it is compatible with standard 30mV thermocouples

This burner assembly is used in both natural gas and liquid propane configurations

this assembly ensures linear heat output and stable temperature regulation across the coil

Can I replace the power head without draining the system

A defining characteristic of the Apollo 50-700 series is the inclusion of dual 1/4" NPT pilot tappings on both sides of the body

Nordyne 626616R Limit Switch R-407A While it is compatible withThe Nordyne 626616R Limit Switch is a critical safety component designed for high limit oversight in forced air furnaces. As a direct replacement for the 626616, this L195 40 limit switch is engineered to monitor heat exchanger temperatures and interrupt the burner circuit if conditions exceed safe operating parameters. Rated for a 195F trip point and a 40F differential, this OEM furnace limit switch ensures precise thermal control and automatic reset