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Find Water heater repair or service pros in Diamond Bar

Avatar for Payless Water Heaters & Plumbing
Payless Water Heaters & Plumbing
4.4(
113
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"It went very well and all the issues were resolved quickly. Adan was very professional and confident service person. We highly recommended Payless water heater and plumbing."
New Tankless Water Heater Installation
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+19

Response time8 hrs
Response rate94%
1 neighbors recently requested a quote
Avatar for 1 TOM PLUMBER ANAHEIM / BREA
1 TOM PLUMBER ANAHEIM / BREA
5.0(
20
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1987

Free estimates

Emergency services offered

"Response was amazing and fast. Arrived on time and kept me fully informed. Professional with complete set of moisture/ leak detection tools. Answered all our questions. Would love to recommend them."
Leak Detection
Plumbing
Sewage Cleanup
Leak Detection
Plumbing

+70

Response time8 hrs
31 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for ROOTER ER & PLUMBING INC
ROOTER ER & PLUMBING INC
4.5(
20
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2006

Free estimates

Emergency services offered

"I needed a new Water Heater. I upgraded to a new Tankless Water System. I am very happy with the work that Anthony did. He was on time and kept me up to date every step of the way."
tankless water heater uo to code
storm drain
same as above
gas line install
gas line install

+6

Response time1 day
Response rate93%
6 neighbors recently requested a quote
Avatar for Orange Independent Plumbing Services
Orange Independent Plumbing Services
4.9(
289
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Emergency services offered

Credit card accepted

"Reuben was right on time and did exactly what he promised. One thing I know about people is whether they are caring or not, and certainly Reuben is one caring individual. I was concerned about a water heater replacement and he said that he wanted to see if he could repair it before we even begin to talk about a replacement. He was able to obtain the materials and put in a new hot water pipe and fittings for the water heater and WOW - hot water! By the way, he has tremendous respect for Vets, police and fire and active duty and gave me a great discount. He's on my permanent list for plumbing! Thank you Reuben for a job well done!"
Response time3 hrs
Response rate85%
268 neighbors recently requested a quote
Avatar for Advanced Gen Plumbing
Advanced Gen Plumbing
4.9(
11
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Emergency services offered

"They showed up as scheduled. Work hard to do and excellent installation of a new hot water heater. When I called them about water pressure issues they came in 15 minutes to resolve. "
40 gallon water heater replacement with all code upgrades
Tankless installation and replacement in Anaheim Hills
Additional Photos
Additional Photos
Additional Photos

+5

1 neighbors recently requested a quote
Recommended by81%of homeowners
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.7(
29
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"Mike was great! He was friendly and knowledgeable. He let me know all the options for replacing my water heater and did the work quickly and neatly. Will definitely be calling him again!"
Plumbing - Drain Cleaning Project
Sewer cleaned of roots and ready for lining
Prepping pipe for lining by removing massive roots
Mixing resin for liners, this resin gardens to create a solid pipe
Sewer robot in the pipe

+26

Response time10 hrs
9 neighbors recently requested a quote
Recommended by72%of homeowners
Showing 1-10 of 32
FAQs for water heater repair or service projects in Diamond Bar, CA

Warning signs include fluctuating water temperatures, a pilot light that repeatedly goes out, unusual noises from the tank, or complete heating failure. You might also detect a rotten egg smell, indicating a potential gas leak, or notice water that never reaches the proper temperature. If your water heater is over eight years old and displaying these symptoms, the gas valve is a likely culprit. Professional inspection is recommended, especially if gas odors are present.

Water heater gas valves are not universally interchangeable. Each valve must match your specific water heater's make, model, and specifications. Important compatibility factors include gas type (natural gas vs. propane), BTU rating, connection types, and physical dimensions. Using an incorrect valve can result in poor performance, premature failure, or dangerous gas leaks. Always consult your water heater's documentation or a professional plumber to identify the appropriate replacement valve for your unit.

The Diamond Bar, CA homeowners’ guide to water heater repair or services

From average costs to expert advice, get all the answers you need to get your job done.