Hartland Controls CON-3/24/30 Contactor 318172-701 This is the thermostatic power

This is the thermostatic power element and valve body assembly

Rugged Build Quality: Industrial-grade power control board construction designed to withstand thermal cycling in high-traffic commercial or residential applications

Can I use this for other boiler series

this Resideo radiator valve control provides a field-proven method for achieving zone-level efficiency in high-output environments

Hartland Controls CON-3/24/30 Contactor 318172-701 This is the thermostatic powerThe Hartland Controls CON 3 24 30 is a heavy duty definite purpose contactor engineered for consistent performance in demanding HVACR and industrial motor control applications. This 3 pole contactor is rated for 30 FLA (Full Load Amps) and features a 24V AC coil compatible with standard 50 60Hz control circuits. Designed to handle inductive loads with a 120A locked rotor current (LRC) at 600V, the CON 3 24 30 utilizes high grade silver nickel contacts