connect the sample line to the "L" inlet while keeping "H" open

Verify the mounting diameter before attempting installation on third-party hardware

Common Questions Can the RV48L-3/4-48 be installed outdoors

Durable Probe Construction: Manufactured with specialized high-temperature materials to resist oxidation and carbon buildup

They share identical pressure setpoints and electrical ratings

York S1-026-32588-011 Pressure Switch Refrigerant connect the sample line toThe York S1 026 32588 011 Pressure Switch is a critical safety component designed for precise airflow monitoring in high efficiency York gas furnaces. This OEM control is calibrated with a 0. 52" WC setpoint and features a Single Pole Double Throw (SPDT) configuration, allowing for versatile integration into the system's safety string. It serves as the direct factory replacement for several legacy part numbers, including FS6514 816, RSS 495 167, and