By installing this precision-engineered Lochinvar replacement part

The integrated NTC thermistor sensor provides accurate temperature monitoring up to 160 degrees

The heavy-duty silver cadmium oxide contacts are built to resist welding and pitting

In steam applications

the K15DA-24 is the certified direct replacement for the K15DS-24

Cleveland Controls NS2-0307-00 Pressure Switch 321142-301 By installing this precision-engineered LochinvarThe Cleveland Controls NS2 0307 00 Pressure Switch is a high precision air flow sensing solution designed for rigorous monitoring in commercial and residential HVAC systems. Built with a glass filled polycarbonate housing and a durable silicone diaphragm, this switch provides superior stability and contaminant resistance. As a veteran grade differential pressure switch, the NS2 0307 00 is engineered to detect positive, negative, or differential