Famco Damper Repair Nationwide

Famco Damper Repair: The Dallas Owner’s Guide

We stock and install Famco-compatible damper repair assemblies across Dallas, with most jobs running $280-$520 installed depending on whether we’re replacing the plate, the frame, or the full throat assembly. Same-day completion is common because we carry the common Famco sizes on our trucks. Most Dallas homeowners discover the problem on the first cold night in November or December, when they open the damper and it won’t seal, won’t stay open, or drops rust into the firebox.

Call (972) 284-1392

Which Famco Models This Applies To

Famco dampers show up most often in Dallas homes built between 1985 and 2010, particularly in the Lake Highlands and Preston Hollow areas where we see a lot of masonry fireplaces with original builder-grade hardware. The critical detail is whether you have a throat damper (mounted above the firebox) or a top-sealing damper (mounted on the chimney crown). Famco’s throat dampers typically carry a model stamp on the steel handle bracket or a tag on the frame rail - look for series numbers starting with FD or FDC. The plate diameter matters more than the model name: a 32-inch plate won’t seat in a 30-inch frame, and we’ve found that half the “wrong part” returns in our supply chain come from homeowners measuring the firebox opening instead of the throat opening itself.

We source Famco parts through Haven’s buying network alongside DuraFlex, HeatShield, and Gelco, which lets us offer OEM spec or quality aftermarket equivalents. For most Dallas installations, we recommend the aftermarket stainless pivot assembly - it matches Famco dimensions exactly but holds up better to North Texas temperature swings, where a 40-degree morning can turn into a 75-degree afternoon and back again before dinner.

Signs Your Famco Damper Repair Is Failing

• The handle spins but the plate doesn’t move. The linkage between the handle spindle and the plate has corroded or the cotter pin has sheared. This is the most common failure we see in Dallas, where summer humidity settles into the throat assembly for six months straight.
• The plate is stuck open or stuck shut. Rust scale builds on the frame rails, or the plate warps from years of uneven heating. In homes near White Rock Lake, we’ve noticed faster corrosion where lake-effect humidity is higher - the plate literally welds itself to the frame.
• You feel a cold draft even when the damper is “closed.” The plate has warped or the frame has settled, leaving a gap that lets conditioned air escape year-round. Your HVAC bill is the symptom most owners notice first.
• Rust flakes or debris fall into the firebox when you operate the handle. The plate is spalling - surface rust is flaking off the steel. This material is acidic and will stain firebrick if it sits.
• The damper won’t stay in the open position during a fire. The spring tension has weakened or the notched bracket has worn smooth. This is a genuine safety issue: a damper that drops during burning can force smoke into the room before you notice.

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After

Replacement Cost & What’s Included

What drives the range: accessibility (how much of the smoke chamber we need to work through), whether the frame is rust-welded to the lintel, and whether the original was mortared in or set with expansion anchors. We deliver a written price before any work starts - Haven Standard Clause 1 - and that price includes the NFPA 211 Level 2 camera inspection, a documented photo record per Clause 4, and our 365-Day Done Right Promise. Materials come through Haven’s buying network, procured specifically to keep customer prices honest.

DIY or Call Us?

There’s exactly one thing a homeowner can safely check: whether the handle set screw has loosened and the spindle is slipping. Tighten it with an Allen wrench if you can reach it without climbing. Everything else - plate extraction, frame removal, pivot alignment, smoke chamber access - involves working at height inside a masonry throat, often with corroded fasteners that require impact tools and often a rotary hammer. The spring tension on a throat damper plate isn’t high-tension like a garage door, but the plate itself is 10-15 pounds of steel that can drop on your hands or face if the linkage lets go during removal. We’ve been called to finish DIY starts in Dallas where the owner got the old plate out and realized the new one wouldn’t seat square - the frame had settled 3/8 inch over thirty years, and the gap was invisible from below. Camera goes in first. Everything else follows. Call (972) 284-1392 and we’ll show you exactly what we’re working with before quoting anything.

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