a high-precision pneumatic reset volume controller engineered for professional HVAC applications

Common Questions & Technical Insights: What is the primary difference between the 48-DC and 48-DM cores

The low-pressure side handles a range of 20" Wc to 100 psi with an adjustable 6 to 50 psi differential

This 30VA control transformer is built for the demanding duty cycles of industrial and commercial environments

making it an essential component for condenser fan cycling control and high-pressure safety monitoring

Lennox 13H39 Motor Refrigerant a high-precision pneumatic reset volumeThe Lennox 13H39 Blower Motor is a heavy duty Nidec 13H3901 OEM replacement engineered for high static residential and light commercial air handlers. This 3 4 HP HVAC motor operates on a 208 230V single phase power supply at a standard 1075 RPM. Designed as a Permanent Split Capacitor (PSC) motor, it features a 5 speed tap configuration, allowing for precise airflow balancing across various heating and cooling stages. The 48Y frame motor utilizes a