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Tankless Water Heater Repair in Brandon
Honest Diagnostics, No Unnecessary Upsells
Complete Plumbing & Drain is a family-owned residential plumbing company serving Brandon and the surrounding communities. We repair tankless water heaters of all types, gas and electric, and our approach is straightforward: diagnose the actual problem, explain it clearly, and fix what needs fixing without recommending work you don’t need.
If your tankless water heater has stopped working or is behaving unpredictably, call our team now at (813) 819-9240. We’re available 24/7 and can send a technician to diagnose the problem.
Signs Your Tankless Water Heater Needs Repair
Tankless systems fail in recognizable patterns. The most common complaint is a complete loss of hot water, but inconsistent output is just as frequent: water that cycles between hot and cold during a shower points to a flow sensor, heat exchanger, or gas supply issue rather than a simple thermostat setting.
Most modern tankless units display digital error codes when a component fault is detected. Those codes aren’t random. Each one corresponds to a specific diagnostic fault, and reading them correctly is the first step toward an accurate repair rather than a parts-swapping guessing game.
Other problems Brandon homeowners commonly report include:
- Ignition or flame failure on gas units, where the burner won’t light or shuts off mid-use
- Mineral scale buildup inside the heat exchanger, which restricts water flow and reduces heating efficiency over time
- Leaks at fitting connections or, less commonly, from damage inside the heat exchanger itself
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Integrity
Complete Plumbing is built on integrity, sticking to our values of honesty, reliability, and trustworthiness, whether working privately or directly with a client.
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Service
Our technicians are driven by their passion for service, with a customer-centric focus and working towards building long-term relationships built on trust and reliable service quality.
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Professionalism
Whether setting up our efficient maintenance plans or performing emergency plumbing services, we uphold the utmost professionalism to build trust, conscience, and reliability in our valued service area.
5-Star Reviews Our Happy Customers' Say it Best!
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"Wonderful Job!"
This was basically a new house plumbing install. They did a wonderful job. Highly recommend them to anyone.
- Matt D. -
"Highly Recommend!"
This is the second time I've used Complete Plumbing and Drain LLC for my rental property, and they continue to impress.
- Mar T. -
"Excellent Experience!"
She was very personable, explained what she was doing/the process thoroughly, and was great with our two dogs as a cherry on top. Thank you!
- Chad H. -
"Fantastic!"
Chris is a fantastic resource. He’s a wealth of knowledge, reasonable, honest and dependable.
- Cory S. -
"Great Business!"
We called these guys in when we felt like we were getting got by another plumbing company. They were straightforward, honest, and were able to come help us quickly.
- Bethanie A. -
"Exceptional Service!"
Austin, the plumber, was exceptional—he worked quickly and knew exactly what needed to be done as soon as he arrived.
- Marcia T. -
"The Best!"
So I want to give a HUGE shout-out to Natalie, thank you for your hard work and coming out today I really appreciate you!!! I will be calling this company again if i ever have any other issues.
- Jamileh W. -
"Extremely Professional!"
We had a leak start under our kitchen sink and called Complete Plumbing & Drain. Chris came out quickly and got it fixed for us right away.
- Matt M.
Your feedback means the world to us! If you had a great experience with our team, we’d love to hear about it.
Why Brandon Homeowners Call Complete Plumbing & Drain
Owner Chris McConnell is a third-generation plumber carrying forward a family trade tradition that started in 1973. That history isn’t a marketing line. It’s 50-plus years of accumulated knowledge about how plumbing systems behave and how to fix them correctly. We’re fully licensed and insured, and we hold an A+ rating with the Better Business Bureau as an accredited business. As a locally operated company, we’re invested in Brandon because we live and work here.
How Brandon’s Hard Water Affects Tankless Heat Exchangers
Hillsborough County’s water supply draws in part from the Floridan Aquifer, which runs through limestone geology and carries significant mineral hardness. In a tank water heater, that hardness settles as sediment at the bottom. In a tankless system, it accumulates differently: scale builds up inside the narrow passages of the heat exchanger itself, gradually restricting flow and forcing the unit to work harder to deliver the same output.
Regular descaling and flushing offsets that buildup and supports continued efficient operation. If your unit hasn’t been serviced in a few years and you’re noticing reduced output or error codes, hard water scale is a reasonable first suspect for a Brandon home.
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Repair or Replace? How We Help You Decide
Not every tankless water heater problem calls for a new unit. When we assess a failing system, we look at three things: the age of the unit, the nature of the failure, and whether it has a history of repeated service calls. A five-year-old unit with a failed flow sensor is a clear repair. An older unit with recurring heat exchanger faults and a track record of service visits deserves a more honest conversation.
Tankless systems are engineered for longer service lives than conventional tank units, but unresolved scale or repeated component failures can shorten that lifespan considerably. We can walk you through the realistic pros and cons of each path and respect whatever decision makes sense for your household. We don’t push replacement to close a larger ticket.
Schedule Tankless Water Heater Repair in Brandon
We’re available around the clock for plumbing emergencies, including tankless water heater failures that leave a household without hot water. Our pricing is fair, transparent, and free from the upsell pressure that sends too many homeowners looking for a second opinion. Call Complete Plumbing & Drain at (813) 819-9240 to schedule service or get a straight answer about what your repair actually involves.
