ENFM 4104-2.5-4-10 Gauge the 27F74 is technically identical

the 27F74 is technically identical to the Lennox 27F7401

A standard flat-head screwdriver is required to tighten the built-in screw and secure the tripper to the timing disc

Vibration Dampening: The included gasket reduces mechanical resonance

this hub accommodates both hex and round shaft configurations

ENFM 4104-2.5-4-10 Gauge the 27F74 is technically identicalThe ENFM 4104 2. 5 4 10 is a heavy duty industrial tridicator gauge designed for precision monitoring in hydronic heating systems and boiler applications. This dual reading instrument features a 2. 5 inch dial face that provides simultaneous measurements of system pressure from 0 to 75 PSI and water temperature across a range of 70F to 320F. Built with a 1 4" NPT back connection and a 0. 95" probe length, this gauge is the direct replacement for 910