Liebert 136965P1 Safety Switch 320735-701 the 1820-039 is the pilot

the 1820-039 is the pilot burner assembly only

a different S87 series module is required

the internal seals and EPDM O-rings are rated for up to a 60% glycol solution

making it a go-to for field retrofits

Liebert 136965P1 Safety Switch 320735-701 the 1820-039 is the pilotReplace failing components with the Liebert 136965P1 Safety Switch, a precise 105F thermal safety switch designed for critical temperature monitoring in high performance environmental control systems. This OEM Liebert replacement part operates as a single pole single throw (SPST) thermal limit, engineered to interrupt power to the control circuit once the 105F threshold is reached. Maintaining the HVAC safety limit is essential for protecting