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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
The FS7-4WL is built for durability with an extended paddle arm and trimmable stainless steel paddles
enabling rapid circuit verification without individual device testing
the module interfaces directly with pressure switches and gas valves to ensure stable burner operation in demanding commercial and industrial environments
Optimized Electrical Rating: Designed for standard 24V AC systems
Lennox 10X87 Controller 318820-201 The FS7-4WL is built forThe 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
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