Laars Heating Systems FT2073 Pump 318423-701 The Johnson Controls NS-BHB7003-0 is

The Johnson Controls NS-BHB7003-0 is a professional-grade Network Zone Sensor designed for seamless integration with Metasys field controllers

or a compressor that hums but fails to start

Ensure all terminal connections are secure and free of corrosion to maintain proper signal integrity

this collector box kit is sold as a complete assembly including the required mounting gasket and screws for a professional-grade repair

Laars Heating Systems FT2073 Pump 318423-701 The Johnson Controls NS-BHB7003-0 isThe Laars FT2073 Circulator Pump is a critical 115V OEM replacement pump engineered for peak performance in residential and commercial hydronic heating systems. Specifically designed as the direct replacement for FT1222 and FT1798 models, this 1 2" NPT pump assembly ensures consistent fluid velocity and pressure stability within the primary boiler loop. Built to the rigorous standards of Laars Heating Systems, the FT2073 features a high efficiency