this kit is compatible with the Forta M900Ax spring return series on 2-1/2" to 4" VB-8xxx and VB-9xxx valves

the 30-amp rating of the 61345 can safely replace a lower-rated 25-amp unit as long as the voltage and pole configuration match

Is this relay suitable for fire-alarm systems

Which terminal is which

in modern HVAC applications

ENFM 4104-2.5-4-10 Gauge this kit is compatible withThe 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