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Water heater installers and replacers in Diablo
Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!
"Pedro is professional, patient and prompt. His skill level is top notch. I'd rehire him in a second."
Rolanda B on December 2018
Pedro Galvan Ramirez Plumbing, Inc., is the premier plumbing contractor in the Richmond Area. We finish every job to the customer's standards. Call today for a free quote!
"Pedro is professional, patient and prompt. His skill level is top notch. I'd rehire him in a second."
Rolanda B on December 2018
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the baasis of our business
"Helped me right away. Did not have to wait all day."
Julie H on September 2023
We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the baasis of our business
"Helped me right away. Did not have to wait all day."
Julie H on September 2023
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"
Alex H on October 2023
We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!
"I had a great experience with them. They did a tankless water heater for a fair price and helped install new water lines for my espresso machine in my cafe. Would recommend to anyone who needs the job done right!"
Alex H on October 2023
At Premier Plumbing Solutions, we have over 25 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"His customer service was excellent and I will be using him for all my future plumbing needs. He even came back a couple days later at no charge when the water was not heating properly."
Gregory W on May 2025
At Premier Plumbing Solutions, we have over 25 years experience and we take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.
"His customer service was excellent and I will be using him for all my future plumbing needs. He even came back a couple days later at no charge when the water was not heating properly."
Gregory W on May 2025
Beaver's Construction Company has been serving the community in construction and plumbing services for over 40 years. Family owned and operated since 1976, we promise the utmost personal attention to every detail of every job, large or small. We take great pride in our workmanship and we do not hire sub-contractors. We guarantee our work is of the highest quality possible. We are a licensed General and Plumbing contractor. We are bonded and carry general liability insurance. Call now to set up an appointment, we are excited to assist you in your plumbing/construction needs. You can call or text us at 925-303-9169 or email us at beavers_construction@yahoo.com at any time with questions or for a free quote.
"My water heater had been out for several days!! One company listed on the heater were called. They came out and said it needed a specific part still under warranty. I just needed to pay for labor. I agreed. They came out the next day with the part. It was defective!!! Couldn’t find the part anywhere. Would need to wait two more days. Plan B. I called around and found Beaver Construction Co. to install a new one. Bid was excellent!!! Far below other bids. They installed a new Rheem Heater within 2 hours. Friendly, knowledgeable, Respectful and thorough, and licensed!!! I will be using them in the future for sure if needed. Thanks Dan and Zach!!!"
Judy J on March 2025
Beaver's Construction Company has been serving the community in construction and plumbing services for over 40 years. Family owned and operated since 1976, we promise the utmost personal attention to every detail of every job, large or small. We take great pride in our workmanship and we do not hire sub-contractors. We guarantee our work is of the highest quality possible. We are a licensed General and Plumbing contractor. We are bonded and carry general liability insurance. Call now to set up an appointment, we are excited to assist you in your plumbing/construction needs. You can call or text us at 925-303-9169 or email us at beavers_construction@yahoo.com at any time with questions or for a free quote.
"My water heater had been out for several days!! One company listed on the heater were called. They came out and said it needed a specific part still under warranty. I just needed to pay for labor. I agreed. They came out the next day with the part. It was defective!!! Couldn’t find the part anywhere. Would need to wait two more days. Plan B. I called around and found Beaver Construction Co. to install a new one. Bid was excellent!!! Far below other bids. They installed a new Rheem Heater within 2 hours. Friendly, knowledgeable, Respectful and thorough, and licensed!!! I will be using them in the future for sure if needed. Thanks Dan and Zach!!!"
Judy J on March 2025
We are dedicated to providing our clients with the very best in service, installation and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our quality work and the integrity of our business. We look forward to building long term relationships with our clients and guarantee your satisfaction.
"Good"
Justin C on March 2025
We are dedicated to providing our clients with the very best in service, installation and repair for all phases of your plumbing needs. We specialize in a variety of residential and commercial services and take pride in the attention to detail put into each of the projects we are involved with. We are known for our quality work and the integrity of our business. We look forward to building long term relationships with our clients and guarantee your satisfaction.
"Good"
Justin C on March 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Excellent service! Responded quickly to my request for replacement of failing old water heater. Estimate given, I accepted and it was replaced quickly and efficiently the same day. I would not hesitate to recommend this company!"
Rebecca F on June 2025
We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.
"Excellent service! Responded quickly to my request for replacement of failing old water heater. Estimate given, I accepted and it was replaced quickly and efficiently the same day. I would not hesitate to recommend this company!"
Rebecca F on June 2025
Oak Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.
"Malik was very punctual, polite and went into detail about the work, what it will require and estimate time on how long the job will take. I am happy with the work and for sure hired Oak Plumbing for any future work, highly recommended them."
Marco G on April 2025
Oak Plumbing is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Our customer's safety is extremely important, which is why all of our technicians are fully trained, background checked, and drug tested.
"Malik was very punctual, polite and went into detail about the work, what it will require and estimate time on how long the job will take. I am happy with the work and for sure hired Oak Plumbing for any future work, highly recommended them."
Marco G on April 2025
We are a locally owned and operated pumbing company based out of Santa Clara that values honesty and integrity and treats your home as if it were our own. We have over a decade of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Call us for 24 hour emergency service!
"I felt comfortable and at peace which is hard during stressful times"
Dinorah G on August 2023
We are a locally owned and operated pumbing company based out of Santa Clara that values honesty and integrity and treats your home as if it were our own. We have over a decade of experience to give you confidence that we are your number one choice for your next home project. You will find us to be competitively priced with close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction! Call us for 24 hour emergency service!
"I felt comfortable and at peace which is hard during stressful times"
Dinorah G on August 2023
With over 40 years of experience trust McLaren Plumbing Company for expert plumbing services that you can rely on. Our licensed plumbers are equipped with the knowledge and experience to tackle any plumbing issue, from minor repairs to complex installations. With a focus on prompt service and customer satisfaction, we deliver efficient solutions that restore comfort and functionality to your home while adhering to the highest quality. Senior Citizen and Military Veteran Discounts - Inquire Within Accepts Checks, Zelle and Venmo
"Our experience with Bill was absolutely great. He installed an automatic gas shutoff valve for safety and insurance compliance. He was straightforward, knowledgable and very pleasant to work with. Came out to the do the job exactly when he said he would, adapted to the specific needs of the project, and finished it on time and without any issues. And his prices are extremely reasonable. He's already gathering some information for our next project. Hire this guy."
Eric C on June 2025
With over 40 years of experience trust McLaren Plumbing Company for expert plumbing services that you can rely on. Our licensed plumbers are equipped with the knowledge and experience to tackle any plumbing issue, from minor repairs to complex installations. With a focus on prompt service and customer satisfaction, we deliver efficient solutions that restore comfort and functionality to your home while adhering to the highest quality. Senior Citizen and Military Veteran Discounts - Inquire Within Accepts Checks, Zelle and Venmo
"Our experience with Bill was absolutely great. He installed an automatic gas shutoff valve for safety and insurance compliance. He was straightforward, knowledgable and very pleasant to work with. Came out to the do the job exactly when he said he would, adapted to the specific needs of the project, and finished it on time and without any issues. And his prices are extremely reasonable. He's already gathering some information for our next project. Hire this guy."
Eric C on June 2025
FAQs for water heater installation and replacement projects in Diablo, CA
You'll need an expansion tank if your home has a closed water system, which is standard in newer homes or those with backflow preventers or pressure regulators. Expanding hot water has nowhere to go in closed systems, creating potentially damaging pressure. The expansion tank provides space for this expanded water, protecting your plumbing system and water heater from premature failure. Many local building codes now require expansion tanks, and some water heater warranties may be voided without one.
For a standard 50-gallon water heater, a two-gallon expansion tank is sufficient. This sizing assumes normal household water pressure between 40 and 60 psi. If your home has higher water pressure (60 to 80 psi), consider upgrading to a slightly larger tank for added protection. The expansion tank's purpose is to accommodate the increased volume that occurs when cold water heats up, which is proportional to your water heater's capacity.
Watch for signs like dripping water around the tank, fluctuating water pressure throughout your home, or unusual noises in your plumbing system. A properly functioning expansion tank should feel light when tapped on the bottom—if it feels heavy or waterlogged, the internal bladder has likely failed. Other indicators include frequent triggering of your temperature and pressure relief valve, visible corrosion on the tank, or unexplained increases in your water bill, suggesting hidden leaks.
Most expansion tanks have a service life of five to 10 years, though some may last up to 12 years or more with proper maintenance. Factors affecting lifespan include water quality, system pressure, installation quality, and tank construction. Hard water areas often see shorter lifespans due to mineral buildup. Regular maintenance checks can help identify potential issues before complete failure. When your water heater is due for replacement, it's wise to replace the expansion tank simultaneously, even if it hasn't failed yet.
A 30-gallon water heater needs an expansion tank if your home has a closed plumbing system. The need for an expansion tank is determined by your plumbing system type rather than water heater size. Even smaller water heaters create thermal expansion when heating water. If your home has a backflow preventer, pressure regulator, or check valve on the main water line, you have a closed system that requires an expansion tank. Check your local plumbing codes, as many jurisdictions now mandate expansion tanks regardless of water heater size.
- Plumbing - Multiple Projects
- Shower Pan Install
- Plumbing for a Remodel or Addition - Install
- Plumbing Item Repair
- Water Heater - Repair or Service
- Sink Repair
- Steam Shower - Install
- Faucet Install or Replace
- Walk In Tub - Install or Replace
- Drain Repair
- Shower Install or Replace
- Pipe Repair
- Drain Line Breakage - Camera Locate
- Tankless Water Heater - Install
- Water Main - Install, Replace or Repair
- Sump Pump - Repair or Replace
- Drain Clog or Blockage - Clear
- Sewer Main - Clear
- Faucets, Fixtures and Pipes - Repair or Replace
- Plumbing Item Installation
- Sink Installation
- Pipe Installation
- Faucet Installation
- Gas Piping
- Whirlpool Bathtub Install or Replace
- Plumbing Multi-Item Installation
- Sewer Main - Install, Replace or Repair
- Drain Installation
- Plumbing Multi-item Repair
- Toilet Installation
- Bathtub Install or Replace
- Sump Pump or Interior Foundation Drains - Install
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