Pressure Activation Switch For Duct Fans In Home HVAC Systems With Air Sensing, Differential In WC Approximately 0.02, SPST, Pressure Setting Range 0.05 In WC, Duct Pressure Switch For Central Heating And Air Conditioning
✔️ Duct pressure switch, SPST, 0.05 in WC range, air sensing
This pressure activation switch is designed for duct fans in home HVAC systems. It senses positive air pressure in a duct to activate devices such as a duct booster fan, electronic air cleaner, or humidifier. The unit features a vertical diaphragm and a differential of ±0.02 in WC, with a fixed setting of 0.05 in WC. It operates on 24 or 277V AC up to 15 A. Made in the United States, it measures height 3 1/16 in and diaphragm diameter 1 9/20 in, with package dimensions around 6.4 x 6.5 x 6.7 in and a barbed sample line connector.
✅ SPST switch type
✅ Diaphragm vertical
✅ Differential ±0.02 in WC
✅ Pressure setting range 0.05 in WC
✅ Electrical rating 24/277V AC, 15 A
✅ Senses positive duct pressure to activate a duct booster fan, humidifier, or air cleaner
✅ Sample line connector barbed
✅ Height 3 1/16 in, Diaphragm diameter 1 9/20 in
✅ Package dimensions 6.4 x 6.5 x 6.7 in
💡 What is a duct pressure switch used for in HVAC systems?
- Helps control a booster fan when duct pressure changes.
- Handy for triggering humidifiers or air cleaners based on duct pressure.
- Used in central heating and air conditioning setups to regulate airflow.
- Works with SPST switches at 24/277V AC.