Description
The Enervex MFD-S Manual Fireplace Damper is a durable, energy-saving solution designed to reduce heat loss and prevent backdrafts in solid-fuel fireplaces when not in use. Mounted at the chimney top, this manually operated, gravity-activated damper enhances both energy efficiency and indoor comfort.
Specifically engineered for round chimneys, the MFD-S is an ideal replacement for worn zero-clearance fireplace dampers and works seamlessly with or without an Enervex chimney fan. Its simple pull-chain mechanism ensures easy, power-free operation for reliable performance year after year.
Built for longevity, the MFD-S withstands temperatures up to 1400°F (760°C) and fits most standard round chimneys — making it a versatile, practical choice for wood-burning fireplaces.
Key Features:
- Reduces energy loss by sealing the chimney when idle
- Simple pull-chain operation for ease of use
- No electricity required — dependable manual control
- Fits most standard round chimneys
- Top-mounted design, rated for up to 1400°F (760°C)
| Material | Stainless Steel |
| Available Sizes | 6 |
| Warranty | 2-year Factory Warranty |
