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Farrell Plumbing

Plumbing Price Guide

Water Heater Repair: what does it cost?

A clear look at the work, the price factors, and the questions to ask before you approve a plumbing job.

Start With The Price

What will the work cost?

No hot water does not automatically mean you need a new heater. We check the unit, explain the fault, and compare the repair with replacement when it makes sense.

The work behind the number

Selected failed-component repairs and heater connection work. A simple supply-line replacement is at the lower end; tankless service-valve work is at the higher end. Internal elements, thermostats and gas controls have their own examples below. Commercial equipment and replacement heaters are separate.

What can change your price?

  • Tank, tankless, electric, gas, or hybrid equipment.
  • The failed component and whether replacement parts are available.
  • Age, condition, and manufacturer warranty coverage.

Completed jobs reviewed

$100–$850

Residential heater repairs and connection work

Planning range from reviewed work

10 completed jobs reviewed for this guide. Counts vary by scope. January–September 2026. Reviewed September 16, 2026.

These are historical examples of the work described here. They are not a guaranteed current quote or a price for every job in this category.

You approve a written price before work begins.

Behind The Price

Where this guidance comes from.

Completed jobs reviewed

We reviewed the charged work in completed Housecall Pro jobs, not just job titles. These are selected examples, not a company-wide average. Planning ranges round outward around the reviewed scopes. Recorded discounts and undiscounted service charges help show the budget spread; a past discount is not a current offer. Unrelated work, unselected options and gratuities are excluded. Your written proposal confirms your equipment, work and price. Ten distinct residential repair/connection jobs were checked: seven internal-component repairs and three connection or accessory jobs. Relevant service charges before job-level discounts ranged from $120 to $820; internal-component repair subtotals ranged from $250 to $565. A $2,835 bundled invoice included a water conditioner and is not used as a heater-repair price.

Scope: Selected failed-component repairs and heater connection work. A simple supply-line replacement is at the lower end; tankless service-valve work is at the higher end. Internal elements, thermostats and gas controls have their own examples below. Commercial equipment and replacement heaters are separate.

10 distinct completed jobs reviewed for this guide.

January–September 2026.

Reviewed September 16, 2026.

Planning range from reviewed work.

Different work. Different price.

Elements and thermostats

$250–$495

Six reviewed repair scopes before whole-job discounts. Examples range from one failed element to both elements and two thermostats; one revised diagnosis included an element with the thermostat repair.

Propane pilot / thermopile assembly

$565 example

One reviewed repair including the assembly, gasket and testing. Different gas controls or models need their own diagnosis.

Heater supply-line repair

$120 example

One limited connection repair. This is not an element or thermostat replacement price.

Temperature-and-pressure discharge work

$365 example

One reviewed scope to correct valve orientation and discharge piping.

Tankless service-valve replacement

$820 example

One completed job replacing corroded service valves. This is separate from a routine flush.

Flush and maintenance

Priced separately

Two reviewed flushing lines were $220 and $275. Their invoices also contained an anode upgrade or toilet repairs; those larger totals are not flush-only prices.

Commercial blower motor

$3,557 example

One separate commercial repair with an OEM motor assembly and startup. Excluded from the residential planning band.

What changes the price at your property?

  • Tank, tankless, electric, gas, or hybrid equipment.
  • The failed component and whether replacement parts are available.
  • Age, condition, and manufacturer warranty coverage.
  • Any separate connection or code work needed with the repair.

What the work covers.

  • The diagnostic, maintenance, or repair work expressly listed in your written proposal.

What may be separate.

  • A replacement water heater, additional failed parts, and code upgrades unless listed.
  • Maintenance pricing does not include every possible repair.

Before you approve the work.

Make sure your written proposal explains the diagnosis, the work included, any separate items, and the total price. If something is unclear, ask. We want you to understand your options before you decide.

FAQs

Water Heater Repair pricing questions, answered.

Quick answers from our expert plumbers. Still have a question? Call our team and a real person will pick up.

01 Can you quote the repair before diagnosing it?
We can explain the service fee and common possibilities, but the failed component and condition determine the repair. You receive the repair price before approving that work.
02 Will a flush fix a leaking tank?
A flush is maintenance. It does not repair a failed tank. We identify the source of the leak before recommending repair or replacement.
03 When is replacement worth comparing?
Compare replacement when the tank is failing, parts are unavailable, or the repair is expensive relative to the condition and remaining use of the heater. We can show the repair and replacement scopes side by side.

Have a more specific question? Contact our team or give us a call.

Straight Answers On Price

Related work. Clearer numbers.

Prices cover the scope described in each guide. Your written estimate confirms the price before work begins.

Water Heater Installation

$1,700–$3,900

Farrell-supplied 30–50 gallon electric tanks, with installation

Planning range from reviewed work

Completed jobs reviewed

31 completed jobs reviewed for this guide. Counts vary by scope. · January–September 2026

Reviewed September 16, 2026

Read The Cost Guide

Leak Repair

$300–$2,800

Pipe repairs through more involved leak projects

Planning range from reviewed work

Reviewed completed-job examples

10 completed jobs reviewed for this guide. Counts vary by scope. · Scheduled July 7–September 8, 2026

Reviewed September 16, 2026

Our Plumbing Repair guide uses this same ten-job sample. The guides do not represent separate sets of projects.

Read The Cost Guide

Water Treatment & Filtration

$1,500–$9,000

Farrell-supplied filters, softeners and combination systems

Planning range from reviewed work

Completed jobs reviewed

13 completed jobs reviewed for this guide. Counts vary by scope. · February–September 2026

Reviewed September 16, 2026

Read The Cost Guide

Understand the work before you approve the price.

Call Farrell Plumbing for a clear conversation about your plumbing problem and the next step toward a written quote.