Plumbing in Thornhill, Ontario
Some projects are just better left for the professionals - hire a plumbing professional to help install or repair your water, sewage and natural gas pipes.
"Needed main valve replaced hired GS1 and work completed to my satisfaction in good time"
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Best of 2024
"Dave provided excellent service. What a true professional, clean and prompt. Showed up on the day and on time...."
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Best of 2024
"Great service and high quality work. Provided options and recommendations throughout. Highly recommend and will..."
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"A quick diagnosis of the problem via photos and text, and the repairs were made within a couple of days. There is one..."
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Best of 2024
"Pro-on Plumbing was amazing, very reasonable prices, and very efficient at finishing the job, they finished..."
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Best of 2024
"Fixed a broken temperature regulator on my shower. Others wouldn't touch it when they learned the part wasn't..."
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| Verified
Best of 2024
"Richard and his team have helped me a couple times on short notice. He is responsive, knowledgeable, and very..."
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"We had a Maceration toilet installed and Mike was quick and efficient. Will recommend this company in the future!! "
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"I was quoted to have the bathtub removed and a shower stall installed. They were to do the rough in. When the tiler..."
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"Carm and his team are very professional. They made themselves available at all hours of the day, and worked..."
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"Please be careful with this company His job was not good enough and They do not finish the job If you pay before..."
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"Ethan is honest, sincere and very professional! He diagnosed the problem quickly and explained what he was doing..."
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