What actually fails on a tankless in Weddington
Tankless units tell you what is wrong if you read them. Nearly every call starts with an error code, and the code plus the gas supply narrows it down long before anyone needs to open anything.
The local variable is the water. Yours comes from Union County Water. Where that supply is soft, scale is a slower problem here than the national troubleshooting guides assume, which means a unit throwing a temperature fault in Weddington is more often a flow sensor, an igniter or a gas supply problem than the limescale everyone reaches for first.
- Ignition and flame failure codes: gas supply, igniter or flame rod before anything more expensive.
- Cold water sandwich: usually a behaviour of the system rather than a fault, and worth explaining before selling you a fix.
- Flow sensor faults: common, cheap, and frequently misdiagnosed as a failing exchanger.
- Heat exchanger: the one genuinely terminal failure, and often still under a long manufacturer warranty. We check the serial before quoting.
What Weddington itself changes
Where the heaters sit
Large homes, frequently with attic or bonus-room-adjacent installs, and often more than one water heater serving different parts of the house. Tankless and recirculation are both common here, and the pairing is worth checking.
The housing in Weddington
Weddington is routinely described as new construction and it is not. The median build year is 2000, and 43.8% of the housing stock went up between 1980 and 1999, placing a very large share of the town squarely inside the polybutylene era. Only 176 of 4,583 homes were built in 2020 or later. Median household income is $190,766 and owner-occupancy runs 95.1%, so these are homeowners making considered decisions on large properties.