Neptronic SP3035 Limit Switch 321894-709 this OEM-equivalent part ensures the

this OEM-equivalent part ensures the air handler maintains peak efficiency

It features the factory-standard multi-pin connectors required for direct interfacing with compatible Nordyne boards

and contains no shut-off valves or obstructions

automatically interrupting power if the thermal element loses pressure

Neptronic SP3035 Limit Switch 321894-709 this OEM-equivalent part ensures theThe Neptronic SP3035 Limit Switch provides critical over temperature protection for commercial and residential HVAC systems, specifically designed as a L220 high limit safety device. Featuring a manual reset (M R) mechanism, this thermal cut out ensures that power to the heating elements is interrupted if the duct or cabinet temperature exceeds the 220F threshold. This prevents equipment burnout and enhances facility safety by requiring a physical