
S&P MD Series 24V Normally Closed Motorized Damper
The S&P MD Series 24V Normally Closed Motorized Damper is a power open damper for round ducts. In forced-air systems, it can regulate the sequencing of outside air. Add a 120V to 24V transformer to power this S&P motorized damper with standard 120V. The Dampers are available in sizes from 4 to 14 inches.
Note: Professional installation is recommended for all models.
Key Features
- Voltage: 24V
- Frequency: 60 HZ
- Current: 0.3 Amps
- Power: 6 W
- Insulation Class: A
- Rated Ambient: 104 degrees F
- Noise: ≤ 50 dB
- Compatible With: RF-reFresh, TD-MIXVENT, TD-SILENT, SWF-SIDEWALL, PRF-Radon Mitigation, and PV-POWERVENT Series
Sylvane’s Expert Take
This S&P motorized damper provides additional control in sequencing outside air in forced air systems.
- Add a Controller: Fresh air kits with an ES24V Envirosense ventilation control and 4, 5, 6, or 8-inch damper are available for purchase separately. The ES24V is also available for purchase separately.
The S&P MD Series 24V Normally Closed Motorized Damper is a power open damper for round ducts. In forced-air systems, it can regulate the sequencing of outside air. Add a 120V to 24V transformer to power this S&P motorized damper with standard 120V. The Dampers are available in sizes from 4 to 14 inches.
Note: Professional installation is recommended for all models.
Key Features
- Voltage: 24V
- Frequency: 60 HZ
- Current: 0.3 Amps
- Power: 6 W
- Insulation Class: A
- Rated Ambient: 104 degrees F
- Noise: ≤ 50 dB
- Compatible With: RF-reFresh, TD-MIXVENT, TD-SILENT, SWF-SIDEWALL, PRF-Radon Mitigation, and PV-POWERVENT Series
Sylvane’s Expert Take
This S&P motorized damper provides additional control in sequencing outside air in forced air systems.
- Add a Controller: Fresh air kits with an ES24V Envirosense ventilation control and 4, 5, 6, or 8-inch damper are available for purchase separately. The ES24V is also available for purchase separately.
Description
The S&P MD Series 24V Normally Closed Motorized Damper is a power open damper for round ducts. In forced-air systems, it can regulate the sequencing of outside air. Add a 120V to 24V transformer to power this S&P motorized damper with standard 120V. The Dampers are available in sizes from 4 to 14 inches.
Note: Professional installation is recommended for all models.
Key Features
- Voltage: 24V
- Frequency: 60 HZ
- Current: 0.3 Amps
- Power: 6 W
- Insulation Class: A
- Rated Ambient: 104 degrees F
- Noise: ≤ 50 dB
- Compatible With: RF-reFresh, TD-MIXVENT, TD-SILENT, SWF-SIDEWALL, PRF-Radon Mitigation, and PV-POWERVENT Series
Sylvane’s Expert Take
This S&P motorized damper provides additional control in sequencing outside air in forced air systems.
- Add a Controller: Fresh air kits with an ES24V Envirosense ventilation control and 4, 5, 6, or 8-inch damper are available for purchase separately. The ES24V is also available for purchase separately.















