The sensor utilizes a two-wire connection (Red to SO and Black to SO+) to interface directly with the economizer controller

Broad Application Range: Ideal for 14-ton air conditioning applications

the contacts will not close

and 42S-A low water cut-offs and pump controllers

This fixed distance ensures consistent arc performance without the need for manual bending or gauging during installation

Laars Heating Systems RA0079000 Gauge 340793-762 The sensor utilizes a two-wireThe Laars RA0079000 is an OEM combination temperature and pressure gauge designed for precise monitoring of hydronic heating systems and commercial boilers. As a ruggedized test gauge, it features a dual scale display providing critical real time data to prevent system overheating and high pressure surge scenarios. This unit is a direct replacement for Teledyne Laars equipment, specifically engineered for compatibility with Mighty Therm2 200, 300, and