Compact OEM Design: Simplifies installation in crowded electrical cabinets with a footprint optimized for Nordyne air handler components

The SPDT configuration allows for both normally open and normally closed connections

making it a staple for any service truck or mechanical install

Always cross-reference your model number with the manufacturer's parts list

Rely on this genuine Modine replacement part to restore system efficiency and meet the original equipment manufacturer's specifications for fuel delivery and thermal performance

Weil McLain 383-500-300 Sensor Compact OEM Design: Simplifies installationThe Weil McLain 383 500 300 is an OEM spec Return Supply Water Sensor designed for precision temperature regulation within hydronic systems. Engineers and technicians primarily utilize this 12k ohm NTC thermistor kit for Weil McLain Ultra Series boilers, specifically supporting Ultra Gas Boiler models such as the Ultra 310 and Ultra 80 (Series 1 & 2). By delivering real time data to the U Control module, it allows the unit to modulate firing rates