as this thermostat works in conjunction with the safety valve system

Serviceable Design: Features a replaceable indicator element (kit K-SA-4) facilitating maintenance without removing the body from the line

facilities can maintain stable pressure and temperature without the common issue of valve "hunting

For HVACR contractors maintaining Lennox condensing units

Universal Replacement: Direct OEM replacement for Lennox 15M4301

Fireye EP160 Program Module 318820-201 as this thermostat works inThe Fireye EP160 Program Module is a critical engineering component for the Flame Monitor Burner Management Control System, specifically designed for use with E100 and E110 chassis. As a veteran grade flame safeguard control, the EP160 provides precise start up programming and continuous flame monitoring supervision. Hard coded with a 30 second purge cycle and a 10 15 second Trial for Ignition (TFI), this non recycle module ensures that any failure in