Beckett Igniter 7556P158MU Control 321042-401 ensuring the 3-inch thermostat is

ensuring the 3-inch thermostat is fully submerged in the top 6 inches of water

Leak Prevention: High-density material reduces the potential for flange leaks

Thermal Protection: Engineered to withstand high-demand cycles typical in modular blower configurations

this specific version is not equipped with a manual stem

It replaces the older board version without requiring modifications to the existing wiring harness in most AWHC applications

Beckett Igniter 7556P158MU Control 321042-401 ensuring the 3-inch thermostat isThe Beckett 7556P158P GeniSys 12V DC Oil Burner Primary Control is a heavy duty, microprocessor based safety control designed for mobile applications, pressure washers, and agricultural heating equipment where 12VDC power is the standard. This potted oil burner controller is engineered for high vibration environments and moisture resistance, ensuring reliable ignition and flame monitoring in demanding field conditions. The 7556P158MU replaces older 12