Gas fireplace repair for Delaney Park homes

Decorative fireplace or fireplace heater

The fuel gas volume of the Florida Building Code sorts gas fireplaces by the standard they are listed to. That listing changes what a technician should expect from the unit in front of them.

The difference shows in the manuals. One natural vent series is tested to Z21.50, and its manual calls it a decorative appliance that is not intended for use with a thermostat. A direct vent series from the same maker is tested to Z21.88 as a fireplace heater, so two units that look alike from across the room can carry different controls and settings.

Reading the standard off the plate comes before judging how your fireplace should behave, and the estimate names it beside the model. The code names these listing standards.

• ANSI Z21.50 for vented gas fireplaces, the decorative kind
• ANSI Z21.88 for vented gas fireplace heaters
• ANSI Z21.60 for decorative log sets in solid fuel fireplaces

Leak checks on the appliance connections

A yearly service list we follow includes a leak check of every accessible gas-carrying tube, connection and fitting. The fuel gas code allows leaks to be located with an approved gas detector, a noncorrosive leak detection fluid or another approved method, and the fireplace manuals add that an open flame is never used.

One natural vent manual also warns against spraying solution onto the control body, and notes that excess pipe compound can set off an electronic detector. A leak on the appliance's own valve, pilot or burner joints is part of the fireplace repair, while one on the connector or the supply piping is referred to the plumber or gas installer who works on house piping.

Any fitting disturbed during a repair is checked before the fireplace is lit again, as the installation manuals direct. On repair and service visits in Delaney Park, our technician uses that manual's list of points as a guide.

• The pipe from the supply connection to the gas valve
• Every joint on the valve and control body
• The burner and pilot connections
• Field-made and factory-made joints alike

How the flame should look once warm

A gas flame changes as the fireplace warms. One owner's manual says blue flames at start-up are normal and begin to yellow as the fireplace keeps running. A direct vent manual from another maker describes the warmed-up flame on its models as yellow and slightly taller than the rear log, after about 15 to 30 minutes at full rate.

Those descriptions are model-specific, and the same manual notes that the type of installation, the vent layout and wind can make the pattern vary. So a flame that looks different from another fireplace is not a fault by itself. A flame that stays blue and short, one that leaves dark marks on the logs, or one that has changed from how it used to look is worth a check.

On a visit to your Delaney Park home, the flame is watched from a cold start until fully warm and compared with what the manual for that model describes. Any gap between the two is traced to its cause and written into the estimate.

Gas log sets in a wood-burning fireplace

A gas log set sits in a fireplace that was built to burn wood, and Florida's fuel gas code treats it as a decorative appliance. It is listed to ANSI Z21.60 and installed by the maker's instructions. Apart from manually lighted natural gas sets listed to ANSI Z21.84, a set must light its main burner with a pilot, an ignitor or a direct ignition device and carry a flame safeguard that cuts the gas if ignition fails.

That makes a log set repair a matter of the set's own burner, pilot and safeguard, checked against its maker's manual and label much like any vented gas fireplace. The code allows these sets only in approved solid fuel-burning fireplaces, so the fireplace around the set is part of the picture too.

Existing log sets are repaired here, starting with the label, the ignition type and the safeguard. If a set is beyond repair or you want a new one, that work goes to our gas log installation service and appears as a separate option on your estimate.