A Hadley company - serving Fort Worth, TX

Gelco Gas Fireplace Repair Nationwide

Masonry repairMasonry repair
Sweep & inspectionSweep & inspection
Caps & crownsCaps & crowns
Flue reliningFlue relining
Gas fireplace serviceGas fireplace service
Every visit starts with

Level 1 sweep and inspection to the NFPA 211 annual standard - flue, crown, cap, and flashing checked and photographed

Worth knowing

Chimney sweep logs do not sweep chimneys. They loosen some creosote - which then falls where a brush and vacuum still have to collect it.

Get your free estimate

Gelco Gas Fireplace Repair in Fort Worth: What to Know First

Gelco gas fireplace repair in Fort Worth is a core part of what we do at Hadley Chimney Fort Worth. Most Gelco service calls take one visit to diagnose and repair, with parts either on the truck or ordered within a few days depending on the model. You’ll get a written price before any work starts, and that price doesn’t change once we’re inside the firebox. If you own a Gelco unit and it’s acting up, call (682) 900-6393 and we’ll walk you through what we’re likely seeing before we ever ring the doorbell.

Call (682) 900-6393

This page is for Fort Worth homeowners with a Gelco gas fireplace that won’t light, won’t stay lit, smells odd, or has started making sounds it didn’t make last season. We see these units across the city, from older homes near the TCU campus to newer builds out toward Benbrook and Saginaw. As an independent Gelco service provider, we’re not tied to the manufacturer’s service network, which means we can tell you plainly when a repair makes sense and when you’re better off putting that money toward a new unit.

How Gelco Products Fail – and How We Fix Them

Gelco fireplaces have a few failure patterns we see again and again in Fort Worth. Here’s what actually goes wrong, told in the trade language followed by plain words:

  • Thermopile dropout in the GC series. The thermopile generates the tiny electrical current that keeps the gas valve open. On older Gelco GC units, we regularly find a thermopile that tests fine cold but drops voltage once the firebox heats up. The symptom is a fireplace that lights, runs for ten or fifteen minutes, then shuts off for no reason. The fix is a new thermopile, and we only install units rated for the millivolt output Gelco valves require.
  • Pilot assembly corrosion from Fort Worth humidity. Gelco pilot assemblies on units installed in exterior-wall chases or masonry fireplaces take on moisture during our humid springs. The pilot orifice develops a fine corrosion film that weakens the flame, so the thermocouple never gets hot enough to confirm the pilot is lit. The fireplace clicks, the pilot tries, nothing holds. We clean or replace the orifice and confirm the pilot flame wraps the thermocouple correctly before we call it done.
  • Remote receiver failure on Gelco millivolt remote-ready models. A lot of Gelco fireplaces sold in Fort Worth during the mid-2000s came with the remote-ready valve but no remote installed at the factory. Receivers get added later, and we see plenty where the receiver no longer speaks to the handset. Before replacing anything, we test the receiver with a known-good handset and test the valve with the receiver removed. Sometimes it’s the receiver, sometimes the wall switch circuit, and we’ll show you how we know.
  • Glass gasket seal breakdown causing soot on the ceramic logs. Gelco direct-vent units rely on a tight gasket around the glass to keep combustion air moving the right way. When that gasket compresses or dries out, the air/fuel mix shifts and you get soot deposition on the logs and glass. The fireplace still lights, but it looks dirty fast and the flame gets lazy and yellow. We replace the gasket tape, verify the glass is seated flat, and run the unit long enough to confirm clean combustion.
  • Vent termination blockage specific to Gelco’s horizontal direct-vent runs. Gelco direct-vent terminations with the low-profile cap are magnets for wasps, mud daubers, and the occasional Fort Worth squirrel looking for winter quarters. A partially blocked termination creates back-pressure that makes the flame lift off the burner or causes the pressure switch to nuisance-trip. We inspect the full vent run with a camera, clear the termination, and check the vent joints for separation.

One more Gelco-specific note: we see far fewer cracked firebox panels in Gelco units than we do in some other brands, but we see more control-valve wear. The gas valve is the component that decides whether the fireplace is safe to run. When one fails, we don’t bandage it with a rebuild kit. We replace it with an OEM Gelco valve or a qualified aftermarket valve that matches the pressure rating exactly.

Explore

Styles & brands we work with

Sweep & inspection
Sweep & inspection
Caps & crowns
Caps & crowns
Flue relining
Flue relining
Masonry repair
Masonry repair
Gas fireplace service
Gas fireplace service

Our Gelco Gas Fireplace Repair Process

Here’s what happens when you book a Gelco repair with us. No mysteries, no vagueness.

  1. 1
    You call, a person answers. 24/7, a live person takes the call at (682) 900-6393. We ask about the symptom, the model number if you have it handy, and when it last ran correctly.
  2. 2
    We arrive in a tracked window. You get live arrival tracking, the same way you’d watch a rideshare driver approach. Our tech shows up uniformed and background-checked.
  3. 3
    We diagnose with tools, not guesses. On a Gelco unit, that means testing millivolt output at the valve, checking gas pressure at the manifold, inspecting the pilot assembly, the vent run, and the electrical connections. We’ll take photos of what we find.
  4. 4
    You get a written price before we touch a wrench. The price covers parts and labor, and it’s the price you’ll pay unless we find something that changes the scope, in which case we stop, show you the issue, and give you a new written number before continuing.
  5. 5
    We do the repair, then prove it. After the fix, we run the fireplace through a full cycle test: pilot ignition, main burner, thermostat or remote response, and shutdown. You’ll get before-and-after photos showing the part we replaced and the unit running correctly.
  6. 6
    The guarantee follows the work. Every Gelco repair we do carries a 365-Day Done Right Promise: a written guarantee on every repair and a free second visit if the repair fails. It’s not an upsell. It’s how we’ve done it since 2003.
Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

What Gelco Gas Fireplace Repair Costs in Fort Worth

Gelco gas fireplace repair in Fort Worth typically runs between $145 and $640 depending on what’s failed. Here’s how that breaks down:

  • Diagnostic service call: $89 to $125, rolled into the repair cost if you proceed with us
  • Thermopile or thermocouple replacement: $145 to $260
  • Pilot assembly replacement: $220 to $380
  • Remote receiver replacement: $180 to $310
  • Gas valve replacement: $420 to $640
  • Glass gasket replacement and burn-off: $160 to $240

What moves the price is parts availability. Older Gelco valves are not always sitting on a local shelf, and expedited freight adds cost. We’ll quote you honestly, and if we can get a quality aftermarket part that meets Gelco specs and saves you money, we’ll present that option with the price difference shown clearly. Call (682) 900-6393 and we’ll give you an exact quote. The estimate is free, and you’ll see the number in writing before you decide anything.

Why Fort Worth Homeowners Call Hadley Chimney Fort Worth for Gelco Work

Cory Mitchell has been working inside fireboxes and flue systems since his days at Los Angeles Trade-Technical College, and he’s brought that experience to fireplaces across Fort Worth, from the older brick chimneys near TCU to the newer gas units spreading toward the city’s edges. He’d rather show you a photo of the problem than hand you a bill you don’t understand. That’s not a slogan, it’s how we operate. Every techncian who works on Gelco units under the Hadley name knows the failure patterns above, because we’ve seen them enough times to fix them quickly.

We also work with the broader chimney system, not just the firebox. That matters because a lot of Gelco performance problems trace back to venting or airflow issues. We work with DuraFlex flexible liner systems and HeatShield ceramic repair compound when the chimney itself needs attention, so we can fix the whole problem in one visit instead of sending you to another contractor. Every job includes the Relay Visibility Guarantee: live arrival tracking, before-and-after photos, and a written price before work begins, backed by The Relay Standard.

FAQs

Need Chimney Cleaning help in Fort Worth? Licensed & insured · Camera-inspected response · free estimates
Call (682) 900-6393
Local Service Coverage

Request a Free Estimate in Fort Worth

Tell us what you need - Hadley Chimney Fort Worth responds fast. No obligation.

By sending this request, you acknowledge our Privacy Policy and agree that you may be contacted by telephone, text message, or email about your request, including by the independent contractors we may refer it to.

Prefer to text? Text Us
Call Now - 24/7 Dispatch