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containing the service valve
this OEM-equivalent part ensures the air handler maintains peak efficiency
and contains no shut-off valves or obstructions
which is essential during compressor service or system evacuations
Neptronic SP3035 Limit Switch 321894-709 containing the service valveThe 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