an open-low action like the P100AC-2 is typically used as a low pressure cutout to prevent compressor operation during loss of charge or as a condenser fan cycling control to maintain head pressure

and uneven zone temperatures

The York S1-310156 Solenoid Valve Coil is a high-performance 208-240V replacement coil engineered for precise fluid flow management in commercial and residential HVAC systems

Operational Safety: Delivers precise upper temperature sensing to the controller

This multi-pack provides nine stainless steel orifices

Heatcraft Refrigeration 4313F Heater 30067439-890 an open-low action like theThe Heatcraft Refrigeration 4313F Heater is a critical defrost system component designed specifically for commercial refrigeration evaporators. Operating at 230V with a 400W output, this 36 inch drain heater prevents ice buildup within the condensate line, ensuring consistent drainage during defrost cycles. Engineered for low temperature applications, the 4313F utilizes a high grade sheath material to withstand thermal expansion and contraction