two-pipe room thermostat designed for dual-temperature control in complex HVAC systems

Fast Installation: Features a backlit LCD display for real-time pressure readings and easy calibration checks during commissioning

preventing common failure points

Common Questions What is the resistance curve for this Balco sensor

the 1804-0386 provides a reliable solution for restoring factory-spec operation to Bard wall-mount units and heat pumps

Johnson Controls VA9104-IGA-3S Actuator 321894-706 two-pipe room thermostat designed forThe Johnson Controls VA9104 IGA 3S is a high performance non spring return electric valve actuator engineered for precise control of VG1000 Series ball valves. Operating on 24Vac power, this direct mount unit delivers a consistent 35 lb in torque (4 N m), ensuring reliable positioning for HVAC applications involving hot water, chilled water, or 50% glycol solutions. The floating control with timeout feature is specifically designed to prevent motor