The Resideo Q345A1305 Igniter-Burner is a critical replacement component designed for intermittent pilot ignition systems in high-efficiency natural gas furnaces and boilers

this orifice is sized specifically for the higher energy density and pressure requirements of liquid propane

or a noisy solenoid coil

a full strainer basket replacement is required to maintain proper GPM delivery

Mitsubishi Electric E227K0306 Thermistor Set 321142-301 The Resideo Q345A1305 Igniter-Burner isThe Mitsubishi Electric E227K0306 thermistor set is an OEM sensor assembly used for defrost and discharge temperature monitoring in Mitsubishi Electric HVACR systems. This thermistor kit plays a critical role in system protection and efficiency by continuously reading coil and discharge temperatures and sending accurate resistance signals back to the control board. In inverter driven applications, precise sensor feedback is essential for managing