Siemens Industrial Controls 3TX7131-4CH13 Relay 318973-401 providing robust protection for the

providing robust protection for the internal circuitry

always verify if your existing thermocouple or flame sensor requires independent replacement during the installation of the burner

As a dedicated 460V inducer motor

The DPDT configuration also allows you to switch multiple phases or separate circuits from a single 24V trigger

this integrated control board is specifically calibrated for commercial high-recovery models with automated damper systems and is not compatible with standard atmospheric residential tanks

Siemens Industrial Controls 3TX7131-4CH13 Relay 318973-401 providing robust protection for theThe Siemens Industrial Controls 3TX7131 4CH13 is a heavy duty enclosed power relay designed for high demand HVACR and industrial automation applications. Featuring a DPST NO (Double Pole Single Throw, Normally Open) contact configuration, this 30 Amp relay provides reliable switching for single phase loads, including compressors, motors, and heating elements. Built for versatile integration, the unit supports both DIN rail and panel mounting, with