making it suitable for a wide range of low-side refrigerant monitoring tasks

Flexible Installation: Features 36-inch leads and high-clearance housing for tight mechanical spaces

When you are performing an HVAC repair or a system upgrade

pressure switches are safety-critical components

Spartan Valves ME-4430S Actuator Refrigerant making it suitable for aThis Spartan Valves ME 4430S Actuator is a professional grade 2 way 3 way zone valve actuator designed for reliable on off control in hydronic systems. This model operates on 24VAC power and utilizes a 2 wire spring return mechanism that triggers a fail safe stem up (Normally Open) position upon power loss. Engineered for durability, the ME 4430S features a high strength, glass filled nylon composite housing and an integrated insulating collar that