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

While light cleaning with a non-abrasive pad may provide a temporary fix

When the ignition sequence initiates

maintaining system safety and operational efficiency without the risk of dimensional mismatch found in generic alternatives

leak-proof connection to the pressure switch and heat exchanger ports

Maxitrol R400S-3/8-CSA Regulator Els PW 17895 this Bard thermal limit switchThe 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