The Enervex MFD-S Manual Fireplace Damper offers a reliable, energy-efficient way to minimize heat loss and prevent backdrafts in solid-fuel fireplaces when they’re not in use. Designed for chimney-top installation, this gravity-activated damper improves overall efficiency and helps maintain indoor comfort.
Engineered specifically for round chimneys, the MFD-S serves as an excellent replacement for worn zero-clearance fireplace dampers and is fully compatible for use with or without an Enervex chimney fan. Its straightforward pull-chain design allows for quick, power-free operation you can count on for years to come.
Crafted for long-lasting durability, the MFD-S is rated for temperatures up to 1400°F (760°C) and accommodates most standard round chimneys — making it a versatile, practical upgrade for any wood-burning fireplace.
Key Features:
- Helps conserve energy by sealing the chimney when not in use
- Easy-to-use pull-chain mechanism for simple operation
- Manual functionality — no power source required
- Compatible with most standard round chimneys
- Durable top-mount design rated up to 1400°F (760°C)
| Material | Stainless Steel |
| Available Sizes | 6 |
| Warranty | 2-year Factory Warranty |
