Description
Reliable calibration at -
Common Questions: Can I use this with a 2-stage heat pump
For technicians troubleshooting indirect-fired gas heaters or makeup air units
In high-efficiency systems like the Lochinvar Knight series
Ensure the motor is designated as "speed controllable" before integrating this HVAC blower speed switch into the circuit to maintain motor winding integrity
Neptronic TRO5404 Thermostat R-410A Reliable calibration at -The Neptronic TRO5404 Thermostat is a high performance room controller thermostat designed for precision management of commercial HVAC systems, including variable air volume (VAV) clusters and modulating duct heaters. Engineered for 24 VAC low voltage operation, this proportional controller features 2 heat 2 cool analog outputs (0 10VDC) along with a dedicated TPM (Time Proportional Modulation) signal, allowing for granular control over damper
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
























