the 56604 provides a dependable HVAC service port compatible with standard manifold gauges and charging hoses

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

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

The Lennox 12L46 Pressure Switch is a critical safety component designed for precise furnace air pressure monitoring in Lennox heating systems

such as the AT floating or AP proportional models

Neptronic TRO5404 Thermostat R-410A the 56604 provides a dependableThe 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