Compact Engineering: Efficient 20VA rating provides sufficient power for distributed I/O and magnetic switches while maintaining a small footprint

Common Questions: Can I use this with a 2-stage heat pump

Ensure the motor is designated as "speed controllable" before integrating this HVAC blower speed switch into the circuit to maintain motor winding integrity

For technicians troubleshooting indirect-fired gas heaters or makeup air units

Neptronic TRO5404 Thermostat R-410A Compact Engineering: Efficient 20VA ratingThe 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