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

providing more stable control in specific system architectures

This gas conversion kit is specifically engineered for Reznor UDAP

this sensor is the standard for restoring reliable heating system performance

the B1370192 is specifically engineered for Amana and Goodman systems

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,