Belimo 01HT-5L Sensor L99H008 the internal diaphragm or contacts

the internal diaphragm or contacts are likely compromised

Its porous molded design ensures low pressure drop across the 48 cu

and verify the 120V power supply polarity

or persistent "pressure switch" error codes on your furnace control board

this genuine Mitsubishi Electric part provides exact impedance matching and pin-to-pin compatibility

Belimo 01HT-5L Sensor L99H008 the internal diaphragm or contactsDesigned for high precision thermal monitoring in hydronic systems, the Belimo 01HT 5L is a rugged surface mounted temperature sensor engineered for professional HVACR applications. This passive 10K NTC Type II thermistor provides reliable resistance feedback to critical building automation systems, including those by Honeywell, Johnson Controls, and Carrier. Featuring a specialized spring loaded brass contact pin, the unit ensures immediate thermal