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 Woburn Owner’s Guide
Famco damper repair in Woburn typically runs $220-$380 installed, and we stock the common Famco throat damper plates, frames, and pivot hardware on our trucks for same-day replacement. Most jobs take under two hours, and we’ll show you the failed part before we start so you know exactly what failed and why. Woburn homeowners usually discover the problem on the first cold night in October or November, when they reach for the damper handle and it won’t budge, or it opens but won’t seal tight enough to stop the cold draft pouring down the flue.
Which Famco Models This Applies To
Famco has manufactured throat dampers for decades under several product lines, and the parts are not interchangeable across series. The cast-iron Famco 1000 Series (the full-frame dampers common in 1970s and 1980s Woburn ranch and split-level construction) uses a 13″ x 13″ or 17″ x 17″ plate with a distinct offset pivot pin that sits in a cast socket, not a through-bolt. The lighter Famco 2000 Series from the 1990s switched to a stamped steel frame with a centered pivot and a thinner 5/32″ plate. We’ve also found Famco dampers rebranded under builder labels in the Montvale Avenue and North Woburn neighborhoods, where the only identifying mark is a small “F” cast into the handle boss or a paper label glued to the frame that long since burned away.
To identify your model, measure the inside width and depth of the fireplace throat opening, not the plate itself, and note whether the pivot sits offset or centered. We carry both OEM Famco replacement plates and heavier-gauge aftermarket equivalents from Gelco and Copperfield that fit the same frame but outlast the original in New England’s freeze-thaw cycling. The aftermarket route makes sense when the frame is sound but the plate has warped or cracked; if the frame itself is cracked or the pivot sockets are wallowed out, the full assembly replacement is the only repair that holds up. We’re not affiliated with Famco, but we’ve installed enough of their hardware across Woburn and the surrounding towns to know which cross-reference part fits without a return trip.
Signs Your Famco Damper Repair Is Failing
- The handle turns but the plate doesn’t move. On Famco 1000 Series dampers, the cast pivot pin shears at the shoulder where it enters the plate, leaving the handle mechanism intact but disconnected from the damper itself. You’ll feel normal resistance at the handle, but no thump of the plate seating open or closed.
- The plate is stuck open or stuck shut. Rust jacking between the plate and frame is the usual cause in Woburn’s humid summers, especially if the chimney lacks a cap and rainwater has been entering. The plate swells slightly, then the rust layer acts like a weld.
- You feel a cold draft even when the damper is “closed.” Famco plates warp from years of uneven heating, and the thin 2000 Series steel is particularly prone to cupping at the edges. A warped plate leaves a gap of 1/4″ or more, which is enough to pull heated air out of the house continuously.
- The plate chatters or rattles when the wind blows. This means the pivot hardware is loose or a retaining clip has fallen out. The plate is no longer guided properly in the frame and can jam catastrophically mid-operation.
- You see rust flakes or soot falling into the firebox. Advanced corrosion where the plate meets the frame produces debris that accumulates on the hearth. In Woburn’s older homes with original masonry chimneys, this often pairs with a deteriorated smoke shelf that needs attention at the same time.
Replacement Cost & What’s Included
| Service | Typical Range in Woburn |
|---|---|
| Famco damper plate replacement (aftermarket, existing frame) | $220-$290 |
| Full Famco damper assembly replacement (plate + frame) | $320-$380 |
| Smoke shelf cleaning and inspection (recommended with plate swap) | $45-$75 |
| Level-2 camera inspection with photo report | Included with repair |
What drives the range: frame condition, throat access (some Woburn fireplaces have tight lintels that add labor), and whether we find secondary issues like a cracked smoke shelf or missing firebrick. We quote the full number before we start, and that is the number on the invoice. Every Famco damper repair we perform includes a Level-2 camera inspection up the flue, photos you can see, and a plain-English verdict on anything else that needs attention now versus what can wait. The work is covered by our 90-Day Done Right Promise - in writing, no arguing. If the damper doesn’t operate smoothly or the seal isn’t right, we come back and make it right at no charge.
DIY or Call Us?
There is a safe middle ground here, and then there is a hard stop. A homeowner can safely open the damper fully, shine a flashlight up the throat, and confirm whether the plate moves with the handle or not. That single observation tells us most of what we need to know over the phone. What you should not attempt: forcing a rust-seized plate with a pry bar or hammer (you will crack the cast-iron frame or dislodge mortar), or working above the firebox on a ladder trying to access the damper from the chimney top. The plate is heavy cast iron or steel, the throat is an awkward reach, and a dropped plate can damage the firebox or injure someone below. We’ve also seen homeowners remove the plate successfully, mismeasure by 1/2″, and order a part that doesn’t seat properly, which turns a straightforward repair into a second trip and a second charge. If the flue isn’t right, the fire isn’t safe - and there’s no shortcut around that. Call us at (781) 404-3793, describe what you’re seeing, and we’ll tell you whether it sounds like a stock part we can handle today or something that needs a look first.
FAQs
A cast-iron Famco 1000 Series damper typically lasts 25-35 years in Woburn’s climate, though we’ve seen them fail in 15 years when the chimney has no cap and takes direct rainwater. The lighter 2000 Series steel dampers average 15-20 years before warping or pivot wear becomes problematic. Call (781) 404-3793 for an exact quote - estimates are free.
Sometimes, if the issue is a detached handle linkage or a missing retaining clip that we can fabricate or source. But a warped plate, cracked frame, or wallowed pivot socket cannot be repaired to a safe, functional standard - replacement is the only sound option. We won’t recommend replacement without showing you the specific failure on camera. Call (781) 404-3793 for an exact quote - estimates are free.
Most Famco damper replacements take 60 to 90 minutes of active work, plus the included camera inspection and photo documentation. We complete most jobs in a single visit, and you’ll have the photos and verdict before we pack up. Call (781) 404-3793 for an exact quote - estimates are free.
We stock the common Famco-compatible throat damper plates, frames, and pivot hardware for the 1000 and 2000 Series, along with Gelco and Copperfield equivalents that fit the same dimensions. For obsolete or unusual sizes, we can typically source the correct part within 24-48 hours. Call (781) 404-3793 for an exact quote - estimates are free.
Ready to get your fireplace working right? Call Hearthstone Chimney Co. at (781) 404-3793. A live person answers 24 hours a day, 7 days a week. We’ll ask a few questions about your Famco damper, give you a straight price range, and schedule a time that works. No surprises on the bill, photos you can see, and a 90-Day Done Right Promise in writing. We’ve been serving Woburn and the surrounding communities for over 42 years, and we plan to be here when you need us next.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Woburn and nearby areas.





Before
After
Before
After
Before
After