Two shops turned us down flat once they heard how old the 648PRO is — one of them would not even send a technician to look at it. This company came out, put a meter on it, and had the answer within the hour: the defrost termination thermostat had quit, so the coil never cleared and the freezer side kept climbing. It has sat rock steady since.
Franktown Range Repair
Pro-Style & Dual-Fuel Range Repair in Franktown
Burners that won't light, a lazy yellow flame, a dual-fuel oven that preheats forever — we tune and repair Franktown ranges for the way gas actually burns at 6,200 feet, using factory-specified parts.
Diagnostic fee $89 Credited toward the repair
Service visits Service visits daily, 8:00 AM – 6:00 PM
Service area Castle Rock & Douglas County, CO Roughly a 25-mile radius
Sealed Dual-Stack Burners and Spark Ignition
The burners on a pro-style range aren't the simple rings on a builder-grade stove. Sealed dual-stack burners layer a low simmer flame beneath a high-output ring so one burner can barely poach or roar under a wok, and each relies on a precise spark-ignition system and a clean gas orifice to do it. When a burner clicks endlessly, lights unevenly, or won't hold a low simmer, the fault is usually in that ignition-and-orifice chain — not the whole cooktop.
We diagnose the burner, the spark module, the igniter electrode and the gas path as one connected system, which is exactly where a general repair tech tends to guess. Castle Rock Appliance Service has repaired pro-style gas, dual-fuel and induction ranges across Franktown and Douglas County since 2014. We're independent — not affiliated with Wolf, Viking or any manufacturer — and we install OEM-quality, factory-specified parts.
Range Problems We Fix in Franktown
These are the range faults we're called out to across Franktown most often:
- A burner that clicks and clicks but is slow to light — or never catches
- A weak, yellow-tipped or uneven flame that won't hold a steady simmer
- Spark igniters that keep clicking even after the burner is lit
- One burner dead while the rest work, or all burners sparking at once
- A dual-fuel oven that preheats slowly, bakes off-temperature, or won't ignite
- The smell of gas at the cooktop, or a burner that won't turn fully off
- Grates and caps that have shifted so the flame licks up the side of a pot
- A range top that sparks constantly whenever the ambient air is damp
Why a Franktown Range Burns Differently at 6,200 Feet
This is the single most overlooked factor in range repair up here, and it's the one we lead with.
Thin mountain air carries less oxygen, so gas burns leaner at Franktown's elevation than the factory's sea-level jetting expects. The result is the lazy, yellow-tipped flame, the slow ignition and the safety valve that trips early — symptoms owners understandably read as a broken burner. Often the real fix is recalibration: the correct orifice for altitude, a regulator adjustment, and low-flame tuning so each burner lights crisply and holds a true simmer.
A technician who only works the flatlands rarely checks for this, so parts get thrown at a problem that was never a part failure. We start with the gas setup itself — pressure, orifice sizing and flame quality — and only replace a spark module, electrode or valve once we've confirmed it's genuinely failed. That order of operations is what keeps a Franktown range burning clean instead of coming back a month later.
Dual-Fuel and Range-Oven Combo Faults
A range is two appliances in one cabinet, and the way they combine creates faults worth calling out on their own.
Dual-Fuel Ovens
Gas cooktop over an electric oven means two separate systems and two separate failure modes. We diagnose the electric bake, broil and convection circuits on their own while tuning the gas burners above, so one repair addresses the range as a whole.
Shared Controls & Wiring
When a control board, wiring harness or safety switch fails, it can knock out burners and oven together and look like a total loss. We trace the actual circuit and replace the failed component rather than condemning the range.
Igniters & Safety Valves
The oven igniter and its gas safety valve work as a pair — a weak igniter fails to open the valve and the oven never lights. We measure the igniter's draw against spec so we replace the right half of that pair, not both on a guess.
Half the 'broken burners' we're called to at altitude aren't broken at all — they're jetted for sea level and never tuned for 6,200 feet. Calibration comes before parts every time.
Castle Rock Appliance Service — pro-style range repair since 2014
How a Franktown Range Visit Works
A clear process and a firm price before any work begins.
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Book & Confirm
Call (303) 801-0060 — answered 24/7 — or use Book Online. Visits run daily from 8:00 AM to 6:00 PM, scheduled around your week at your Franktown address.
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On-Site Diagnosis
A flat $89 diagnostic covers the whole range: burners, spark ignition, gas pressure and orifice sizing, oven ignition and controls, plus the altitude calibration checks a range up here needs. The $89 is credited toward the repair.
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Clear Quote
You approve an exact figure before work starts. Range repairs begin from $149, with the final price confirmed only after on-site diagnostics identify the true fault.
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Repair & Verify
We fit factory-specified parts and tune the burners, then confirm crisp ignition, a clean flame and accurate oven temperature before we leave.
Range Repair Pricing, Straight Up
$89 Flat diagnostic fee, credited to repair
from $149 Range repairs start here
24/7 Phone answered any hour
8–6 Repair visits daily
Quick Answers
Who repairs pro-style gas ranges in Franktown, CO?
Castle Rock Appliance Service repairs pro-style gas, dual-fuel and induction ranges throughout Franktown and Douglas County. We've specialized in premium cooking appliances since 2014, we're independent — not affiliated with any manufacturer — and we install OEM-quality, factory-specified parts. Call (303) 801-0060, answered 24/7.
How much does range repair cost in Franktown?
Every visit starts with a flat $89 diagnostic service-call fee that's credited toward the repair. Range repairs start from $149, and the final price is quoted only after on-site diagnostics confirm the fault, so you approve a firm figure before any work begins. Call (303) 801-0060 to book.
Why is my gas range flame weak and yellow in Franktown?
At about 6,200 feet the thin air makes gas burn leaner, so a range jetted for sea level often shows a lazy, yellow-tipped flame, slow ignition and a simmer it can't hold. The fix is usually altitude calibration — the correct orifice, a regulator adjustment and low-flame tuning — which Castle Rock Appliance Service handles before replacing parts. Call (303) 801-0060.
Frequently Asked Questions
My range burner clicks constantly even after it lights. What causes that?
Continuous clicking usually means a spark igniter or its switch is staying energized, often from moisture, a misaligned burner cap, or a failing spark module. We clean and reseat the burner components first, then test the module, so we only replace what's actually at fault.
Do you calibrate gas ranges for Franktown's altitude?
Yes, and it's central to what we do out here. We check gas pressure, confirm the orifice sizing is right for roughly 6,200 feet, adjust the regulator, and tune the low flame so each burner lights crisply and holds a true simmer. That calibration is often the fix owners were about to pay for in parts.
My dual-fuel oven won't heat but the cooktop works. Is the whole range dead?
No — dual-fuel ranges run the cooktop and oven as separate systems, so a dead oven with working burners points to the oven's igniter, safety valve, element or control, not the whole range. We isolate the oven side and repair just that, keeping the cost contained.
Is it safe to keep using a range that smells like gas?
If you smell gas, shut the range off, ventilate, and don't use it until it's checked. Then call us at (303) 801-0060 — a gas smell can come from a burner not fully closing, a loose orifice or a valve issue, and it should be diagnosed promptly rather than lived with.
How soon can you reach my Franktown home for range repair?
We answer the phone 24/7 at (303) 801-0060 and run visits daily from 8:00 AM to 6:00 PM, usually same-day or next-day for Franktown and Douglas County. Call or use Book Online to reserve the earliest available window.
Ready to Get Your Appliance Fixed?
Call us any time — the line is answered 24/7 — or book a visit online in under a minute. Service visits run daily, 8 AM–6 PM.
Customer Reviews
What Douglas County Homeowners Say
4.9 / 5
4.9 out of 5 — based on 143 customer reviews
Frost kept building along the frame of the fresh-food door on our 48-inch built-in. The technician showed me the gasket had gone hard and lost its memory, and that the hinge cartridge had sagged just enough to break the seal at the top corner. He replaced both, then spent a few minutes explaining what causes it and what to look for later — a gasket that no longer springs back, or a door that needs a nudge to shut. I appreciated being told rather than just billed.
After our kitchen remodel the hood roared like a jet and still let steam hang over the range. Two technicians before this one told us the blower was tired and quoted a new one; neither of them put an instrument anywhere near it. This company went up into the ceiling, found the duct run had been crushed flat where the remodel crew routed it around a new beam, rebuilt the transition, and then actually measured the airflow at the hood so we could see the difference. It is quieter now and the kitchen clears.
Lettuce freezing solid in the refrigerator while the freezer behaved perfectly — that combination had already earned us a quote for a new control board from another company. Our technician opened it up, found the air damper motor stuck wide open so freezer air poured into the fresh-food section, and replaced the damper for a small fraction of that quote. Honest work.
The heating element in our Thermador warming drawer had gone open circuit, so it was doing nothing but taking up space. What stuck with me as much as the repair was the care taken with the house: floor covering down before anything came out of the cabinet, tools kept on a mat, and the kitchen wiped down before he left. You would not have known anyone had been in.
The lower zone of our wine unit had been running warm for a while, and it turned out to be the compressor start relay — diagnosed properly, repaired in one visit, and the bill came in exactly where they said it would. My one real complaint is getting on the calendar: it took over a week from my first call before anyone could come out here, which is a long time to watch a cabinet of wine sit at the wrong temperature. Four stars for the wait, not for the work.