Always trace the circuit to verify the switch is opening/closing at the correct setpoints

and CycleGard CG400/CG450 series controls

supporting flame supervision via UV detectors like the QRA series or ionization probes

With a +/- 10 degrees F tolerance

reducing strain on the blower motor and preventing high-limit trips

Grundfos 96893770 Module 321142-301 Always trace the circuit toThe Grundfos 96893770 CIM 300 is an essential communication interface module engineered for seamless integration of Grundfos pumping systems into BACnet MS TP networks. Designed for professional contractors managing commercial HVACR and process cooling systems, this add on module allows for high level data exchange between Grundfos E pumps, MAGNA3 circulators, and the building management system. By utilizing the RS 485 interface, the CIM 300 module