Lennox 10X87 Controller 318820-201 Can the defrost frequency be

Can the defrost frequency be adjusted in the field

This rubber seat poppet model is specifically designed for main burner and pilot load applications where maintaining accurate control of low flow rates is critical for stable combustion

the module interfaces directly with pressure switches and gas valves to ensure stable burner operation in demanding commercial and industrial environments

enabling rapid circuit verification without individual device testing

It supports multiple refrigerants

Lennox 10X87 Controller 318820-201 Can the defrost frequency beThe Lennox 10X87 C3 Controller is a high performance HVAC control board engineered for precision management of heating and cooling cycles in light commercial and residential Lennox Prodigy systems. This OEM replacement part, originally identified as Lennox 103976 01, provides the essential logic required to regulate temperature, airflow, and humidity levels across up to three independent zones. As a core component of the Lennox C3 control system, this