Tjernlund Products MAC1E Control 322055-301 you can remove the compression

you can remove the compression fitting to inspect or replace the orifice without discarding the entire assembly

What types of actuators can this unit control

Simplified Installation: Features a manual override button for gear disengagement and mechanical end stops to adjust stroke increments by 0

the internal junction has likely degraded

5 snap-acting SPDT switch

Tjernlund Products MAC1E Control 322055-301 you can remove the compressionThe Tjernlund MAC1E Multiple Appliance Control is an essential interface for sequencing draft inducers or power venters with multiple heating appliances. Specifically designed for 24 VAC control circuits, this interlock control allows a single exhaust fan to serve up to two separate gas fired burners or water heaters. When any appliance calls for heat, the MAC1E energizes the fan and verifies the pressure switch circuit before allowing the burner to