Paktronics P14A0318440 Thermostat floor heating system

Paktronics P14A0318440 is a floor‑heating thermostat controller (PAKSTAT Series I) designed for residential or light commercial electric heating applications, typically operating at 120 V and covering 50–250 °F. Common failures on this model include tripped thermal overload relays, burnt-out MOSFETs or control ICs due to overheating, and failure of the internal temperature sensor or thermistor. First‑check diagnostics: verify input voltage and continuity of the power leads; inspect the board for visible burn marks or cracked components; test the output relay contacts and confirm the thermostat setpoint logic via a multimeter or oscilloscope on the control lines.[oss-gpt-20b]

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