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.
Olympia Chimney Damper Repair: The Taunton Owner’s Guide
We stock and install Olympia Chimney-compatible damper repairs throughout Taunton, with most completed in a single visit. Installed replacement typically runs $340-$620 depending on the model series and whether the throat needs resealing. We carry the common Olympia sizes on our trucks and can match your part same-day.
Most Taunton homeowners figure out their damper has failed on the first cold night in October. They open it, smell smoke thirty minutes later, and find the plate stuck half-closed or the frame warped enough that daylight shows around the edges. In older homes near Taunton Green, we see this constantly - the damper was never quite right for the flue, and forty years of seasonal heating finished the job.
Which Olympia Chimney Models This Applies To
Olympia Chimney manufactures throat dampers across several product lines, and the repair approach differs by series. The cast-iron OCS series - common in 1980s and 1990s installations - uses a 13-inch by 13-inch or 16-inch by 16-inch plate with a left-hand worm-gear operator. The OCL line, found in larger fireplaces, runs up to 20 inches and uses a right-hand chain-lift mechanism. The newer OCP stainless dampers have a different frame depth and are not interchangeable with the cast-iron units.
To identify yours, look for the stamped model number on the frame edge or the operator handle. If rust has eaten the stamp, measure the throat opening width, depth, and note whether the operator mounts left or right. We carry both OEM Olympia replacement dampers and quality aftermarket equivalents from Gelco and Famco. For the OCS and OCL cast-iron lines, we often recommend the aftermarket route - the fit is identical, the materials meet the same UL standards, and the price is easier on the budget. For the OCP stainless units, we stick with OEM; the frame tolerances are tighter and an aftermarket mismatch can leave you with a draft you cannot control.
We are an independent service provider - not affiliated with Olympia Chimney - and we source parts based on what fits correctly and lasts.
Signs Your Olympia Chimney Damper Repair Is Failing
- The handle turns but the plate does not move. The operator gear has stripped or the linkage pin has sheared. This is the most common failure we see in Taunton’s OCS-series dampers after twenty-plus years. The gear teeth wear to nubs, and you’re left spinning the handle against nothing.
- You feel a cold draft even when the damper is “closed.” The plate has warped or the frame has settled out of square. In Massachusetts freeze-thaw cycles, cast iron fatigues. A gap as thin as a nickel along one edge pulls heated air out of your house all winter.
- The plate is stuck open and will not budge. Creosote has glued it to the frame, or rust has swollen the edges. This happens when annual sweeping has been skipped. We see it often in homes that switched to gas logs years ago and forgot the damper existed.
- You hear metal scraping or grinding when operating. The pivot pins are corroded or the plate has dropped off-center and is dragging the frame. Continuing to force it will oval the pivot holes and turn a pin replacement into a full damper swap.
- Smoke spills into the room on startup. The damper opens partially and sticks, choking the flue. This is the dangerous one - incomplete combustion, carbon monoxide risk, and a smoke-filled living room. If this is happening, stop using the fireplace until it’s fixed.
Replacement Cost & What’s Included
| Service | Typical Range in Taunton |
|---|---|
| Olympia OCS cast-iron damper replacement (aftermarket) | $340-$460 |
| Olympia OCL large-format damper replacement | $480-$620 |
| OCP stainless damper, OEM | $520-$680 |
| Throat resealing with refractory cement (if needed) | $120-$180 additional |
| Level-2 camera inspection with photo report | Included with repair |
The range depends on three things: which Olympia series you have, whether the frame itself is damaged, and how accessible the throat is. A standard OCS swap in an open fireplace takes about ninety minutes. If we find the frame rusted through or the smoke chamber needs parging, we’ll show you the camera footage and quote the additional work before touching a tool. No surprises on the bill. Every damper repair carries our 90-Day Done Right Promise - in writing, no arguing.
DIY or Call Us?
There is one safe thing a homeowner can check: make sure the handle is actually engaging the operator. Sometimes the set screw loosens and the handle spins free. Tighten it with a flathead screwdriver. That is the end of the safe DIY list.
Everything else involves working at height, handling a thirty-pound cast-iron plate overhead, and operating in a confined space above a firebox. The pivot pins are under spring tension. The throat is lined with brittle refractory cement that cracks if you breathe on it wrong. And you cannot see what you’re doing without a light and a mirror. We’ve been called to finish homeowner attempts that turned a $400 repair into an $1,800 smoke chamber rebuild because the frame got pried out of shape. If it’s worth burning wood in, it’s worth knowing the chimney is clear. Call us at (774) 310-4281 and we’ll handle it in one visit.
FAQs
In Taunton’s climate, a cast-iron Olympia throat damper typically lasts 20-30 years with annual sweeping and moderate use. The OCP stainless units can run 30-40 years. Skipped maintenance, oversized fires, and burning unseasoned wood cut that in half. Call (774) 310-4281 for an exact assessment of yours.
Sometimes. A stripped operator gear or broken handle can be swapped without replacing the plate. But if the plate is warped, the frame is rusted, or the pivot holes are oval, repair is false economy - it will fail again within a season. We show you the camera footage and give a straight recommendation.
Most Olympia damper replacements take 90 minutes to two hours. We arrive with the common sizes on the truck, so there’s no ordering delay. Our technicians are background-checked and uniformed, and most jobs are completed in a single visit.
Yes. We carry OCS and OCL replacement dampers, operators, and hardware on every service vehicle. For the OCP stainless series, we keep the common sizes in our Taunton warehouse and can have them on-site within hours if not already on the truck. Call (774) 310-4281 to confirm availability for your model.
Ready to get your fireplace working right? Call Hearthstone Chimney Co. at (774) 310-4281. A live person answers 24 hours a day, 7 days a week. We’ll schedule your free estimate, match the correct Olympia Chimney damper for your model, and get it done right - with photos you can see, a plain-English verdict, and our 90-Day Done Right Promise in writing.
Written by Russell Haines, Owner, Hearthstone Chimney Co. at Hearthstone Chimney Co., serving Taunton and nearby areas.





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