Water Heater Repair in Nogales, AZ
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Nogales water heaters run through six cold months and the odd hard freeze
From November through April your water heater works harder, and on the nights that drop toward 33°F it runs longer to keep up. That extra cycling wears on the heating element and the thermostat that controls it, and a tank that struggled through last winter tends to show it by the start of this one.
Santa Cruz County has seen 17 winter storms and 53 damaging wind events over the past ten years, and storms like these knock out power. Most water heaters come back on by themselves once power returns, but a gas unit with a standing pilot will need that pilot relit before it heats again.
- 33°F
- the average winter night, and colder incoming water means longer heating
- 6 months
- November through April, the months homes here need heat
- 7%
- of Arizona households lost power for a day or more in 2024, and a heater with an electric element or electric ignition stops without it
NOAA nClimDiv, 1991–2020 normals
A new water heater would cut about $250 a year off hot water for a typical Arizona home.
Estimates for a typical Arizona home, compared with an older unit built to the federal minimum, from EIA household energy data and Arizona fuel prices. Your home will differ.
Repair makes sense when an element, thermostat or gas valve has failed.
Replacement makes sense when the tank itself is leaking.
- Why is my water heater leaking from the bottom?
- Usually it means the tank itself has rusted through, and that's not something that can be patched. Sediment builds up on the bottom of the tank over years, and it eats through the steel from the inside out. Once the tank is leaking, the water heater needs to be replaced, not repaired. If the leak is coming from a fitting or the drain valve instead of the tank, that part can often be fixed on its own, so it's worth having a contractor check where the water is actually coming from before assuming the worst.
- Why won't the pilot light on my water heater stay lit?
- Most often the thermocouple has worn out and needs to be replaced. That's the small part that sits in the pilot flame and tells the gas valve it's safe to keep the gas flowing. When it fails, the valve shuts off the gas as soon as you let go of the button, even though the pilot lit just fine. A weak gas supply or a draft blowing the flame out can also cause it, so a contractor will check the thermocouple first and go from there.
- Can a tankless water heater be repaired?
- Yes, most problems with a tankless water heater are repairable. Common issues are a fouled heat exchanger, a failed igniter, or a flow sensor that's stopped reading correctly, and all of those can be fixed without replacing the unit. Mineral buildup is common in areas with hard water and it can be flushed out. A contractor will need to look at the specific error code or symptom to know which part is failing.