Performance indicators include tripping high-limit switches

This is a 24V AC control valve with a 0

always verify against your unit's schematic

When executing a zone valve repair

500 BTU output to meet original design specifications for HVAC installation

MDI Mercury Displacement 230NO-220AU Contactor R-407A Performance indicators include tripping high-limitFor industrial HVACR loads and heavy duty motor control, the MDI 230NO 220AU Contactor remains a field proven solution where reliability is non negotiable. This 2 pole mercury displacement contactor is engineered for high cycle applications, featuring normally open (NO) contacts rated for 30 Amps at 208 240VAC. Unlike standard definite purpose contactors, the liquid mercury contact interface ensures a low 0. 003 ohms contact resistance and helps