Hartland Controls CON-3/120/50 Contactor 323080-701 Robust hydronic heating system integration

Robust hydronic heating system integration designed for unit-mounted terminal equipment

How do flare connections compare to solder versions for field repairs

this 390-803 kit is the correct repair solution

The Viessmann 7837053 Sensor #1 is a critical outdoor NTC temperature sensor engineered for high-precision weather compensation in Vitodens and Vitocrossal series boilers

Hartland Controls CON-3/120/50 Contactor 323080-701 Robust hydronic heating system integrationThe Hartland Controls CON 3 120 50 is a heavy duty 3 pole definite purpose contactor engineered for demanding HVACR and industrial motor control applications. Designed specifically for machinery requiring a 120V AC coil, this component manages high current loads up to 50 amps with precision and durability. Its 3 pole configuration makes it an essential solution for three phase power distribution and the switching of large resistive loads, such as