or the "LOCH" error code on compatible diagnostic boards indicating a communication or power failure

or 15 amps non-inductive at up to 277 VAC

Key Benefits for HVACR Contractors Broad Compatibility: Supports Raypak models ranging from the R185A through the R407A

using this HVAC bearing replacement is a non-negotiable for long-term reliability and vibration reduction

Operational Continuity: Maintains steady compressed air supply to pneumatic controls during filter changes

Hydrolevel 48-140 Outdoor Sensor Kit 323269-701 or the "LOCH" error codeMaximize the fuel saving potential of your system with the Hydrolevel 48 140 Outdoor Sensor Kit (Model OS 100). Engineered specifically for seamless integration with Hydrostat models 3200 Plus and 3250 Plus, this kit allows contractors to transition from internal thermal targeting to a precision Outdoor Reset methodology. By monitoring ambient temperatures, the OS 100 sensor dynamically adjusts the boiler's firing cycle based on actual heat demand,