Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed
Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.
Famco Damper Repair: The Pottstown Owner’s Guide
Famco damper repair in Pottstown typically runs $240-$420 installed, depending on whether the throat plate, frame, or full assembly needs replacement. We stock Famco-compatible parts for the most common sizes found in Montgomery County homes, and most swaps are completed in a single visit. You’ll usually discover the problem on the first cold night in October, when the damper won’t open fully or the handle spins without catching.
We’ve been pulling stuck Famco dampers free in Pottstown since the 1980s, from the stone colonials up near Hill School to the post-war ranches off High Street. The chimney does not lie - and neither do we.
Which Famco Models This Applies To
Famco manufactured throat dampers in several series, and the part you need depends on when your fireplace was built. The cast-iron C-series (common in 1960s-1980s Pottstown construction) uses a 13-by-13 or 16-by-16 inch plate with a right-hand handle orientation. The lighter S-series steel dampers, found in many 1990s builds around the Coventry Woods area, measure differently and use a distinct pivot bracket that is not interchangeable.
To identify yours, look for a stamped model number on the damper frame, visible from the firebox with a flashlight. If the plate is rusted smooth, measure the throat opening width and depth instead. We carry both OEM Famco hardware and quality aftermarket equivalents from Gelco and Olympia Chimney. For most Pottstown homes, the aftermarket frame-and-plate assembly matches spec at a lower price point, though we keep OEM pivot pins in stock because the geometry matters. Hearthstone Chimney Co. is an independent service provider, not affiliated with Famco.
Signs Your Famco Damper Repair Is Failing
- The handle turns but the plate does not move. The pivot pin has sheared or the linkage has corroded through. This is the most common failure we see in Pottstown’s older homes, where decades of acidic flue condensation eat the steel pin from the inside out.
- You feel a cold draft even when the damper is “closed.” The plate has warped or the frame has shifted, leaving a gap that lets conditioned air escape year-round. In Pottstown’s older masonry, freeze-thaw cycles slowly distort the throat opening.
- The plate is stuck open and will not close. Creosote buildup has glued the plate to the frame, or the spiral spring has lost tension. We see this in homes that burn unseasoned oak from local suppliers.
- Rust flakes fall into the firebox when you operate the handle. The cast iron has reached end of life. Once pitting is visible, the plate will not seal properly no matter how much you adjust it.
- The handle is missing or broken off. Someone forced it. The underlying mechanism is usually damaged too, and simply replacing the handle without inspecting the pivot will fail again within a season.
Replacement Cost & What’s Included
| Repair Type | Typical Range in Pottstown |
|---|---|
| Damper plate replacement only | $240-$310 |
| Full frame-and-plate assembly | $340-$420 |
| Top-sealing damper retrofit (if throat is damaged) | $580-$740 |
What drives the range: accessibility of the throat (some Pottstown chimneys have tight smoke chambers), whether the frame is rusted into the masonry, and whether we use OEM Famco hardware or a compatible aftermarket assembly. Every estimate includes the Level-2 camera inspection so you see the damage yourself, the part, the labor, and cleanup. No surprises on the bill. The 90-Day Done Right Promise covers the work in writing, no arguing.
DIY or Call Us?
You can safely check whether the handle moves freely and whether rust flakes are visible from the firebox. Do not attempt to remove a stuck plate with force. The spring-loaded pivot mechanism stores tension, and a slipped wrench can send metal into the firebox or your hand into the brick surround. More importantly, a damper that does not seal is a chimney fire and carbon monoxide risk. We do not recommend DIY replacement. The throat geometry must be measured with the plate removed, and the new assembly must be seated level in mortar or it will bind within a year. Our technicians carry Famco-compatible frames, plates, and pins on the truck, and most jobs finish in one visit. Call (610) 819-4281 and we’ll give you a straight answer on what yours needs.
FAQs
Twenty to thirty years is typical, though we’ve replaced units in Pottstown homes after fifteen years where unseasoned wood or a leaking flue gas accelerated corrosion. Annual inspection catches the rust before it reaches the frame. Call (610) 819-4281 for an exact quote - estimates are free.
Sometimes. A loose handle or minor linkage adjustment is worth trying if the plate and frame are sound. Once the cast iron is pitted or the frame is rusted into the masonry, replacement is the only lasting fix. We will tell you plainly which yours is.
Most Famco damper replacements take ninety minutes to two hours, including the camera inspection and cleanup. If the smoke chamber is tight or the frame must be cut free, it may run longer. Our technicians arrive with the parts, so there is no return trip.
We stock Famco-compatible throat plates, frames, pivot pins, and handle assemblies in the most common sizes for Pottstown-area homes. For rare or discontinued models, we can source OEM or fabricate a compatible solution from Olympia Chimney or Gelco hardware. We will know once we see yours.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Pottstown and nearby areas.




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