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Water Heater Replacement in Pittsburgh PA

Most Pittsburgh water heater replacements are complete in 3 hours. Call before noon Monday through Saturday for same-day installation. Gas, electric, or tankless — we help you choose the right system for your home, handle all permits, and haul the old unit away. Backed by our 1-year warranty and 100% satisfaction guarantee.

★★★★★ 40+ Yrs Experience  ·  All Brands & Types  ·  Extended Warranty

DONE IN

3 Hrs

Same-day if before noon

40 Years

Experience

A+ Rating

Better Business Bureau

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3 Hours

Most Replacements

0% Financing

Available Now

Pricing

No Hidden Charges

Don't Wait for a Cold Shower to Decide

Signs It's Time for Water Heater Replacement

Waiting for total failure costs more than you'd expect — a leaking water heater can cause over $50,000 in structural damage within hours. Replacing a unit over 10 years old before failure also qualifies for up to $2,000 in federal tax credits on high-efficiency models.

  • E
    No hot water at all — complete unit failure, call immediately
  • E
    Age over 10 years — efficiency declining, replacement pays for itself
  • E
    Water pooling around the base of the unit — active leak, emergency service needed
  • E
    Visible rust, corrosion, or mineral deposits — tank failure becoming imminent

No hot water?

(412) 388-2512

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We Help You Choose - Not Just Install

Complete Water Heater Replacement Services

Every replacement starts with an honest assessment of your options - not just a same-for-same swap. 40 years of Pittsburgh experience means we know which systems perform best for your home's size, fuel type, and budget. All permits, old unit haul-away, and required expansion tank included on every job.

Services we provide:

  • Same-day emergency replacement - call before noon Mon–Sat
  • Planned replacement - scheduled before unit failure
  • Gas, electric, or tankless - all types installed by licensed plumbers
  • All permits & Allegheny County inspections - fully handled
  • Old unit removal & disposal - included, no extra charge
  • Expansion tank installation - code-required, included if needed

🔄 Tank or Tankless - Which Is Right?

Traditional Tank
Lower upfront cost. Same-day replacement available. 8–10 year lifespan. Gas or electric. The right choice for most Pittsburgh homes that need hot water today.

Tankless / On-Demand
Higher upfront investment. Endless hot water. 20-year lifespan. 24–34% energy savings. Tax credits up to $2,000 on qualifying units. Best for families tired of running cold.

Not Sure Yet?
We'll walk through your home's setup, your family's demand, and your budget — and give you a straight recommendation without pressure toward the more expensive option.

No hot water or ready to replace before it fails? Call before noon for same-day service.

3-hour replacement · All types and brands · All Pittsburgh neighborhoods served.

Worried About the Cost?

Plumbing services can be expensive - but postponing repairs always costs more.

Our licensed professionals guarantee high-quality service, upfront pricing, and 100% satisfaction. On top of all that - we're family budget-friendly, with 0% financing available for qualifying homeowners.

Other Services Related to Water Tank Replacement

Gas Water Heater

Replace with a new gas tank unit — all sizes and brands

Electric Water Heater

Replace with a new electric tank unit — right-sized for your family

Tankless Water Heater

Upgrade to endless hot water and a 20-year lifespan

Best Choice for pittsburgh homeowners

Ready to Replace Your Pittsburgh Water Heater?

11 Tunnel Way, McKees Rocks, PA 15136 · Mon–Fri 8:00 AM – 4:30 PM · Same-day available — call before noon

Meet the Owners of WJ McNabb Plumbing

Melisa and William (Bill) McNabb

William “Bill” McNabb is the co-owner and master plumber of W.J. McNabb Plumbing, a highly respected, family-owned plumbing company serving Pittsburgh, PA, and surrounding communities. With over 40 years of hands-on experience in the plumbing industry, Bill leads the company’s operations and is recognized for his technical expertise, integrity, and commitment to customer satisfaction. Bill holds NASSCO certifications in PACP, MACP, and LACP, ensuring his team adheres to the highest standards in pipeline and infrastructure assessment.

Melisa McNabb is the co-owner and office manager of W.J. McNabb Plumbing. She plays a pivotal role in the company’s daily operations, customer relations, and business development. Melisa is often the first point of contact for customers, ensuring that each client receives prompt, friendly, and knowledgeable service. She is instrumental in upholding the company’s mission of delivering top-rated service and maintaining a seamless experience for both customers and staff. 

Location

W.J. McNabb Plumbing operates from their McKees Rocks location, serving homeowners and businesses throughout Pittsburgh and the surrounding communities. Their expert plumbing services and customer care reach neighborhoods across Allegheny, Beaver, Butler, and Washington Counties

Why Trust WJ McNabb Plumbing

Still a True Local Family Business

You should call W.J. McNabb Plumbing because they treat every customer like a neighbor, showing up promptly, explaining repairs clearly, and always respecting your home and time. Their team is known for being personable, patient, and genuinely caring—whether you’re in a panic with a leak or just need advice, you’ll get friendly, honest service from people who want to make your day easier, not harder. Homeowners consistently praise their professionalism, kindness, and the peace of mind that comes from working with a family-owned business that values relationships as much as results.

Homeowner Help Center

How much does water heater replacement cost in Pittsburgh?

Water heater replacement cost depends on the type of unit, tank size, fuel source, brand, access to the water heater, permit needs, and whether any plumbing, venting, gas, electrical, or code updates are required. A same-location tank replacement is usually different from switching to tankless or moving the unit to a new location. WJ McNabb Plumbing provides upfront pricing before the work begins, so Pittsburgh homeowners understand what is included and what it will take to restore reliable hot water.

How do I know when my water heater needs to be replaced?

Common signs include a leaking tank, rusty or discolored hot water, rumbling or popping noises, hot water running out too quickly, rising energy bills, frequent repairs, or a unit that is around 8–10 years old. Some problems can be repaired, but a leaking tank or repeat failures often point toward replacement. WJ McNabb Plumbing checks the unit, its age, condition, and safety components before recommending the smartest next step.

Should I repair or replace my water heater?

Repair may make sense if the water heater is newer and the issue is limited to a part like a thermostat, heating element, gas control valve, pilot assembly, or pressure relief valve. Replacement is usually the better choice if the tank is leaking, the unit is near the end of its life, repairs are becoming frequent, or the heater no longer keeps up with the home. WJ McNabb Plumbing helps homeowners compare repair cost, age, safety, and reliability before making the call.

How long does it take to replace a water heater?

Many standard water heater replacements can be completed the same day, and the WJ McNabb page notes that most installations are completed within about 3 hours. The job may take longer if the heater is hard to access, the size or fuel type is changing, the unit is being moved, or code updates are needed. WJ McNabb Plumbing handles removal, installation, safety checks, testing, and cleanup so the home gets back to normal quickly.

What size water heater do I need?

The right size depends on household size, number of bathrooms, daily hot water habits, and whether showers, laundry, and dishes often happen at the same time. Replacing the old unit with the same size is not always the best choice if your family has grown, your usage has changed, or the old heater never kept up. WJ McNabb Plumbing helps size the replacement around real Pittsburgh household use, not just the label on the old tank.

Should I replace my water heater with a tankless water heater?

Tankless can be a good option if you want hot water on demand, more space, and better efficiency, but it is not the right fit for every home. A tankless conversion may require gas line upgrades, venting changes, electrical work, condensate drainage, or other installation updates. A standard tank water heater may be more practical when upfront cost and a simpler replacement matter most. WJ McNabb Plumbing explains both options clearly so homeowners can choose what fits the home, budget, and hot water demand.

Is gas or electric better for water heater replacement?

The better choice depends on what your home already has, available utilities, venting, electrical capacity, hot water demand, and long-term operating cost. Gas water heaters can recover hot water quickly but need proper gas piping and venting. Electric water heaters can be a good fit where venting is not ideal or the home is already set up for electric. WJ McNabb Plumbing helps Pittsburgh homeowners compare the real installation details before choosing a replacement.

Does a replacement water heater need an expansion tank?

Many homes need an expansion tank when the plumbing system is closed and heated water has nowhere to expand safely. An expansion tank helps protect the water heater, valves, fixtures, and piping from pressure caused by thermal expansion. WJ McNabb Plumbing checks water pressure, system setup, and local requirements during replacement so the new water heater is installed as a complete, dependable system.

Why should I call WJ McNabb Plumbing for water heater replacement in Pittsburgh?

WJ McNabb Plumbing treats water heater replacement as more than swapping out an old tank. The team helps choose the right unit, checks plumbing and safety components, handles removal and installation, tests the finished system, and explains what homeowners should know before the job is complete. With local Pittsburgh experience, licensed plumbers, upfront pricing, family-budget-friendly service, and a 100% satisfaction guarantee, WJ McNabb Plumbing helps restore hot water with less stress and no guesswork.