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Water Heater Repair or Replace? A Simple Decision Guide

Should you repair or replace your water heater? Use this age, cost and symptom guide from NH plumbers to decide — and learn when tankless makes sense.

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Repair if

The unit is under 8 years old, the tank is not leaking, and the fix is a component: element, thermostat, pilot assembly, valve or anode rod.

Replace if

The tank is leaking (tanks cannot be repaired), it is over 10–12 years old, repairs would cost more than half of a new unit, or it cannot keep up with your household.

Consider tankless if

You are replacing anyway, you have gas, and you want endless hot water and lower standby costs. Sizing for New Hampshire's cold inlet water is critical.

Need a plumber?

MJA Plumbing and Heating handles this problem every day across New Hampshire. Related services:

Local pages: Water Heater Repair in Manchester, Nashua, Concord, Dover, Keene, Portsmouth and every other NH town.

Call (888) 480-9811 — 24/7

Need a plumber now?

Emergency plumbers on call 24 hours a day across New Hampshire. Upfront pricing, same-day service.

(888) 480-9811
📞 Call (888) 480-9811 — 24/7