When the ignition sequence initiates

the 1970-072 utilizes a low-mass quick dropout mechanism

this Bard thermal limit switch ensures proper fit and function within compatible systems

OEM Compatibility: Replaces Burnham Part 6112214 and is specifically sized for V-Series cast iron sections

Universal Compatibility: Optimized for use with HCFC

Maxitrol R400S-3/8-CSA Regulator Els PW 17895 When the ignition sequence initiatesThe Maxitrol R400S 3 8 CSA is a high performance gas pressure regulator engineered for precision fuel control in commercial and industrial HVACR applications. Built with a 3 8" NPT pipe size, this double diaphragm balanced valve design ensures stable outlet pressure even when upstream pressures fluctuate, preventing pilot dropouts and burner instability. The unit carries a CSA certified max inlet pressure of 1 2 PSI, though it has been Maxitrol tested