The integrated low-pressure switch inputs and sensor-open/short detection provide a fail-safe lockout to protect the refrigeration circuit during extreme ambient conditions

Common Questions What is the primary function of the York 031-00935-000

Always verify the pitch of your fan blades before installation to ensure proper airflow direction away from the coil

this is a VLF (Valve Less Flange) model

reducing downtime and replacement parts costs

McDonnell & Miller 51-2-HD Control Els PW 29614 The integrated low-pressure switch inputsThe McDonnell & Miller 51 2 HD is a heavy duty head mechanism only (Part Number 135100) designed specifically for field replacement on Series 51 2 mechanical water feeders. This unit is engineered for low pressure steam and hot water boiler applications, supporting systems with a maximum vessel pressure of 35 PSI. As a specialized low water cut off (LWCO) component, it features a snap acting SPDT switch that provides simultaneous feed control and