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the Lennox 56J19 Thermal Expansion Valve Kit is the technician's choice for restoring precise refrigerant metering
Standard wiring utilizes terminals M1 and M6
Optimized Watt Density: Designed to deliver 4
ensure proper brazing techniques to protect the internal components
Siemens Building Technology 331-3001 Damper Actuator 321894-709 the Lennox 56J19 Thermal ExpansionThe Siemens Building Technology 331 3001 Damper Actuator is a robust No. 4 pneumatic actuator engineered for precise modulation and reliable control of HVAC systems. This pneumatic damper actuator features an all metal body construction and a high quality, ozone resistant rolling diaphragm designed to provide consistent force over its 4 inch stroke. With a 3 13 psi nominal spring range, this unit is ideal for applications requiring a large effective
