Mainstream Electric, Heating, Cooling, & Plumbing has offered the best water line repair services for over 20 years. Our expert technicians know how critical water line issues can be and are prepared to handle your issue with the right repair resolution.

Whether your water line needs installation, routine maintenance or a full replacement, you can trust Mainstream to handle it all.

Check out why your neighbors trust us to get the job done right

Very personable and patient!

Both technicians that came to our home were great! They were very personable, and very patient. My mother in-law has a hard time with her English, as it is her second language, but they were both very patient with her, and made sure she understood everything that needed to be done. On their customer service alone I would recommend this company. We live in an old 1980's trailer which made it hard to find parts needed to fix our heating system, but they did all the research they could to try and find the parts needed. I am so glad I decided to call Mainstream Electric and will continue to use their services in the future.
Analee B.


Cody was respectful, personable, courteous, answered all our questions we had during his visit, knowledgeable. Cody helped us get in touch of the appropriate people, to finance the work that our home needs. He helped get the work scheduled so that we wont need to wait longer to get the work taken care of.
Crystal N.

Highly Recommend

The entire team was very responsive and nice. Handled scheduling quickly. Process was clearly outlined at multiple points in the job to ensure expectations were being met. Took 48 hours from time I reached out to complete issue resolution. Highly recommend
Jenn C.


Jaymin was very professional and friendly. Was knowledgeable and got right down to business. Did a great job! He deserves a KUDOS!! 👍 Daryl was also very professional and friendly. He was knowledgeable and explained the problem very clearly. He's also a good salesman! KUDOS to him, as well!! 👍
Judy W.
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Signs your Water Line May Need Expert Attention

Even when your boiler is still heating your home, there are common warning signs Mainstream Electric, Heating, Cooling, & Plumbing knows to look for. If you notice any of the following, a problem with your boiler may be present, and it's time to call the professionals at Mainstream Electric, Heating, Cooling, & Plumbing for a broken boiler repair:

Murky or Discolored Water

If you are noticing murky or discolored water, call Mainstream straight away. This can be a major health hazard as discolored water usually means your pipes are corroded with rust. Or, if the water is murky, a pipe most likely has a crack that is allowing dirt to enter. No one wants unclean water, and it’s best to allow the professionals to handle this job for you.

Low Water Pressure

Are you experiencing lower water pressure? While this does not always mean that your water line needs to be repaired, low water pressure can indicate a major issue if the problem is showing up in multiple fixtures. In these cases, it’s better to be safe than sorry and schedule a water line inspection.

Pooling Water

Pooling water or soggy spots in parts of your lawn can be a sign that your water pipe has cracked. If this is happening, there is a good chance that the crack has been there for a while and may cause extensive damage.

Spikes in Water Bills

Higher-than-average water bills may be an indirect sign that your water line isn’t functioning properly. Whether it’s your water line or another part of your plumbing that is the cause, Mainstream can help investigate the problem and find a fix in no time.

See Why Mainstream is A Spokane Valley Favorite

If you’re unsure whether your water line needs to be repaired, our experts are here to help. Or, if you already know your water line needs to be checked out, call us at (866) 256-4350 today. We’ll diagnose the problem quickly and offer the best solution for your home.

Special Offers in Spokane Valley, Washington

FREE Service Call with Repair

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FREE Furnace Special*

Taxes aren't free, but your furnace could be! When you purchase a Daikin air conditioner, you'll receive a Daikin furnace for free! We'll also include a complete heating and cooling system check! Financing options available.   *Free labor and installation are not included on furnace.

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$79 Once a Year, You’re in the Clear HVAC System Checks
Original Price: $ 129
Savings:$ 50
Sale Price:$79

Super convenient Heating & A/C Check. Why are checks important?

  • Keeps your systems running at peak efficiency
  • Helps prevent unexpected breakdowns
  • Extends the life of your equipment
  • Keeps your family safe from carbon monoxide leaks

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