While common in 120V/240V systems

How do I install an SM-501-P in an existing system

utilizing standard 1/2-inch fittings common in OEM Carrier configurations

It utilizes standard 1/4 inch quick connect terminals (1

among others in the Mitsubishi Electric lineup

Siemens Combustion LFL1.635-110V Control 323269-701 While common in 120V/240V systemsThe Siemens Combustion LFL1. 635 110V Control is a heavy duty, electro mechanical primary flame safeguard designed for gas, oil, or dual fuel forced draft burners of medium to high capacity. This 110V burner control is engineered for intermittent operation, requiring a controlled shutdown every 24 hours to execute internal self checks. For technicians working with multistage or modulating burners, the LFL1. 635 110V provides comprehensive sequencing,