The Lennox 49L86 Limit Switch is a critical safety component designed for precise thermal regulation within residential and commercial HVAC systems

This is an SPST switch that is designated to Open Low (Open on Temp Fall) or Open on Rise depending on the specific wiring and terminal configuration required for your refrigeration cycle

Common Questions Is this bracket compatible with VAV controllers

Durable steel construction resists mechanical fatigue during high-cycle operation

This is the thermostat kit with knob

Fenwal 35-605601-207 Control Els PW 17895 The Lennox 49L86 Limit SwitchThe Fenwal 35 605601 207 is a specialized 24 VAC direct spark ignition (DSI) control designed for heavy duty gas fired appliances. Built with microprocessor based ignition technology, this module ensures high precision timing and reliable sequence management for natural, manufactured, and LP gas systems. It features a factory set 30 second prepurge (30 SecPP) to clear the combustion chamber and a 15 second trial for ignition (15 SecTFI). The