This SPST (Single Pole Single Throw) manual reset furnace limit switch operates as a normally closed contact that opens when temperatures reach the 195-degree trip point and allows for manual closure once the system cools to 155 degrees

High-Voltage Efficiency: Optimized for 460V 1PH systems

Always verify the collar diameter and mounting requirements before installation

These heater elements are compatible with 105A or 144A overload relays and are specifically required for Series A overload relay bases where load lugs are not integrated into the heater pack itself

provided the wiring follows the manufacturer’s schematic for power phase-through

Tork Timers EWZ201C Time Switch R-407A This SPST (Single Pole SingleThe Tork EWZ201C Time Switch is a professional grade 7 day astronomic digital timer engineered for heavy duty HVACR and electrical applications. This unit serves as the direct digital replacement for Tork W200, W202, W220, and W222 electromechanical models, providing significantly improved accuracy and programming flexibility. Operating on a universal voltage range of 120 277VAC, the EWZ201C features DPDT (Double Pole Double Throw) or SPDT contacts,