Ruskin EFL/SP100/250 Electric Fuse Link 321042-401 this sequencer is often wired

this sequencer is often wired to trigger the blower fan on the first stage (M1/M2) to ensure the coil is cooled immediately as the first heating element energizes

this TXV is specifically ported and factory-set for 4-ton capacities to ensure proper pressure drop and flow rate

a different logic board series is required

This OEM replacement pressure switch monitors the pressure of air and flue gases to ensure the combustion process remains within safe operating parameters

it maintains the necessary torque for single-phase motors while operating within a 440VAC envelope

Ruskin EFL/SP100/250 Electric Fuse Link 321042-401 this sequencer is often wiredThe Ruskin EFL SP100 250 Electric Fuse Link with integrated damper position indicator switches is a critical safety component designed for fire smoke damper assemblies. This UL Classified heat responsive device provides dual functionality by triggering damper closure at a set closure temperature of 250F and providing remote status feedback via the SP100 switch package. As a veteran grade HVAC fire safety part, it ensures that the electric actuator or