Plumbing topics · Fixture or system
Water heaters
Tank and tankless water heaters: sizing, lifespan in Phoenix hard water, flushing, relief valves, venting, code rules and the problems that mean replace.
Answers (241)
- Are home-center and supply-house water heaters different?
- Are solar water heaters worth it in Arizona?
- Can a gas water heater cause carbon monoxide?
- Can a heat pump water heater work in a small closet, and can it share an HVAC duct?
- Can a mobile home use a standard water heater?
- Can a new water heater improve shower pressure and quality?
- Can a well pressure tank replace a water heater expansion tank?
- Can I check an expansion tank’s air charge while the plumbing is still pressurized?
- Can I install a water heater myself in Arizona?
- Can you put a commercial water heater in a residential home?
- Commercial vs residential water heater: what differs?
- Do electric tankless water heaters work in Arizona homes?
- Do hotels have to provide hot water by law?
- Do I need a permit to go tankless in Mesa?
- Do I need a permit to replace a water heater in Phoenix?
- Do I need an expansion tank on my water heater?
- Do I need to strap my water heater in Arizona?
- Do I turn off the water heater when the water is off?
- Do salt-based water softeners damage a water heater?
- Do school and child care hand sinks need tempered water?
- Does a bigger commercial water heater need a bigger gas line?
- Does a commercial backflow preventer need an expansion tank?
- Does a Grundfos recirculation pump need a return line?
- Does a recirculating pump heat my cold water lines?
- Does a water heater have to be 18 inches off the garage floor?
- Does Arizona summer heat damage water heaters and pipes?
- Does Mesa have a gas appliance rebate for water heaters?
- Gas vs electric water heater: which is better?
- Hot water temperature required in Arizona assisted living?
- How do hotels keep hot water at every guest room?
- How do I check if my water heater has a recall?
- How do I clean the air filter on a heat pump water heater?
- How do I clear the error history on a Navien tankless water heater?
- How do I dispose of an old water heater?
- How do I drain a water heater and replace the anode rod?
- How do I find a water heater's age and warranty by serial?
- How do I get the most life out of a water heater?
- How do I reset an electric water heater?
- How do I shut off a leaking water heater, gas or electric?
- How do I test a water heater heating element?
- How do senior living facilities prevent shower scalding?
- How do you install a Grundfos Comfort System pump?
- How do you set the timer on a Grundfos Comfort System?
- How do you size a restaurant water heater in Maricopa County?
- How does Rinnai Smart-Circ differ from scheduled recirculation?
- How does Temperature Lock work on a Navien NR-21DU controller?
- How is a gas water heater vented?
- How long does a water heater take to heat up?
- How long is the Grundfos Comfort System warranty?
- How much clearance and access does a water heater need?
- How often should a commercial water heater be serviced?
- How often should I descale a tankless water heater in Phoenix?
- How often should I flush my water heater in Phoenix?
- Is a hot water recirculation pump worth it?
- Is a rotten egg smell in my tap water harmful?
- Is brown or yellow tap water safe to drink or shower in?
- Is there a downside to tankless water heaters?
- Is water under my water heater a leak or condensation?
- Should I choose a tankless or hybrid water heater?
- Should I get a tankless water heater if I have hard water?
- Should I repair or replace my water heater?
- Should I turn off my water heater on vacation?
- Should my water heater expansion tank be hanging from the pipe?
- Soldered vs press-fit connections on a water heater?
- Water heater permit in unincorporated Maricopa County?
- What are the different types of commercial water heaters?
- What are the Grundfos COMFORT pump control modes?
- What are the most common tankless water heater problems?
- What are the signs a water heater is about to fail?
- What connector should a water heater use? Is PEX OK?
- What do A. O. Smith tankless codes 101 and 991 mean?
- What do A. O. Smith tankless codes 111 and 121 mean?
- What do A. O. Smith tankless error codes mean?
- What do A. O. Smith water heater blinking light codes mean?
- What do Bradford White water heater flashing lights mean?
- What do I do if my water heater pilot light is out and I smell gas?
- What do Navien error codes E012 and E016 mean?
- What do Navien tankless error codes mean?
- What do Noritz error codes 11, 90 and 99 mean?
- What do Rheem tankless water heater error codes mean?
- What do Rheem water heater blinking light codes mean?
- What do Rinnai tankless error codes mean?
- What do Takagi error codes 111, 121 and 991 mean?
- What does a water heater dip tube do?
- What does Navien error code E003 mean?
- What does Rinnai error code 10 mean?
- What does Rinnai error code 11 mean?
- What does Rinnai error code 12 mean?
- What does Rinnai error code 14 mean?
- What does Rinnai error code 16 mean?
- What does Rinnai error code 25 mean?
- What does Rinnai error code 54 mean?
- What does Rinnai error code 63 mean?
- What does Rinnai error code 79 mean?
- What does the LC code on a Rinnai tankless mean?
- What does the Priority button on my Rinnai tankless controller do?
- What is a hybrid water heater, and does it work in a Phoenix garage?
- What is a point-of-use water heater, and when do I need one?
- What is a tankless water heater condensate neutralizer and when does it need service?
- What is an indirect water heater, and does it make sense in Arizona?
- What is an isolation valve and where do I find mine?
- What is the difference between tall and short water heaters?
- What maintenance does a gas water heater need each year?
- What maintenance does a tankless water heater need?
- What should I check if my tankless water heater's display is blank?
- What should I do if water comes out of my expansion tank’s air valve?
- What should I know before buying a water heater?
- What should I look for in a 50 gallon gas water heater?
- What size water heater do I need?
- What temperature should my water heater be set to?
- What water and energy rebates does the City of Mesa offer?
- What water heater rebates does Arizona offer?
- What water heater works best for a short-term rental?
- Where is the reset button on a gas water heater?
- Where must a commercial water heater relief valve discharge, and does it need a pan?
- Which Valley cities require a permit to replace a water heater?
- Who installs a water heater, a plumber or an electrician?
- Who replaces the water heater in a leased commercial space?
- Who should I call to fix a water heater?
- Why did my water heater's leak sensor close the water valve when the floor is dry?
- Why do commercial buildings use a hot water recirculation loop?
- Why do I feel a mild shock from my sink or faucet?
- Why does a heat pump water heater show a condensate alarm or stop heating?
- Why does my electric water heater keep tripping the breaker?
- Why does my gas water heater keep shutting off?
- Why does my power-vent water heater's blower run without the burner starting?
- Why does my Rinnai fan keep running after I turn the hot water off?
- Why does my tankless water heater go cold mid-shower?
- Why does my washer or water heater smell like sewage?
- Why does my water taste metallic after a new water heater?
- Why is my electric water heater not heating?
- Why is my heat pump water heater making a fan or compressor noise?
- Why is my hot-water recirculation pump humming but not moving water?
- Why is my Navien tankless giving cold or no hot water?
- Why is my water heater drain pan full of water (and do I need one)?
- Why is my water heater hissing?
- Why is my water heater leaking from the bottom?
- Why is my water heater leaking from the top?
- Why is my water heater making a popping or rumbling noise?
- Why is my water heater pushing hot water into cold lines?
- Why is my water heater screeching or whining?
- Why is my water heater's pressure relief valve leaking?
- Why is my water too hot at the faucet?
- Why is only my hot water brown or discolored?
- Why is there no hot water unless the recirc pump is running?
- Why isn't my commercial water heater making enough hot water?
- Why won't my tankless heater work after a power outage?
- Why won't my water heater pilot light stay lit?
- Will a gas water heater work during a power outage?
- Will hard water ruin a hot water heater?
- What affects the scope and cost of replacing a commercial water heater?
- How long do water heaters last in Phoenix?
- Tank vs tankless water heater, which is better for a Phoenix home?
- Can I replace my water heater with a smaller tank?
- Why does my APEC tankless RO run or send water to the drain when the faucet is off?
- Are low-flow showerheads worth it?
- How can I tell the age and condition of a home's plumbing?
- How do I do my own plumbing checkup?
- How do I get instant hot water at every faucet?
- How do I make bathroom plumbing safer for kids?
- How do I read the plumbing section of an inspection report?
- How do you protect plumbing in a vacant commercial building?
- How does hard water damage my plumbing and appliances?
- How long do common plumbing jobs take?
- Snowbird plumbing checklist: leaving an Arizona home for summer?
- What are common plumbing problems and how to prevent them?
- What are the different types of water valves?
- What are the most common plumbing myths?
- What are the signs I need a water softener or treatment?
- What causes most water damage in commercial buildings?
- What causes smelly hot water, and is it safe?
- What do plumbers wish homeowners would stop doing?
- What is a gas drip leg, and is it required?
- What is a yearly plumbing maintenance checklist?
- What plumbing is involved in a commercial tenant improvement (TI)?
- What plumbing safety devices does a home need to meet code?
- What plumbing should I check before listing my home for sale?
- What plumbing to check before buying a commercial building?
- What should a first-time homeowner know about plumbing?
- What should I do while waiting for the plumber?
- Why are there black flecks in my hot water only?
- Why did my water pressure suddenly get too high?
- Why do I have no hot water all of a sudden?
- Why do I hear running water in my walls when nothing is on?
- Why do I run out of hot water so fast in the shower?
- Why does an RPZ valve need an air gap and how is it piped?
- Why does hot water take so long to reach my shower?
- Why does my house smell like gas or rotten eggs?
- Why does my shower temperature keep changing?
- Why is my water not getting hot enough?
- Why is there no hot water in my shower but everywhere else is fine?
- Why is there sand or grit in my hot water?
- Are walk-in tubs worth it?
- Are water leak sensors worth installing?
- Do commercial plumbing repairs need a Phoenix permit?
- Do home inspectors check gas lines?
- Do I need an annual plumbing inspection?
- Does a home warranty cover plumbing?
- Does a PRV need a thermal expansion bypass?
- Does carbon monoxide smell like rotten eggs?
- Does hot water have to reach a restaurant sink in 45 seconds?
- How do I prepare for a plumbing emergency in Phoenix?
- How do I read a backflow test report and its numbers?
- How is a water softener installed?
- Is a backflow preventer supposed to drip?
- Is a warm spot on my floor a slab leak?
- Is limescale in drinking water harmful?
- Is warm tap water safe for drinking or baby formula?
- My backflow assembly failed its test. What happens next?
- RPZ vs double-check backflow assembly: what's the difference?
- What are the benefits of a whole-house water softener?
- What are the pros and cons of PEX plumbing?
- What are the signs of a slab leak in an Arizona home?
- What does the plumbing inspection cover when buying a house?
- What is a thermostatic mixing valve and why do commercial buildings use one?
- What maintenance does a steam-shower generator need, and does AutoFlush replace it?
- What plumbing does Maricopa County review in restaurants?
- What plumbing should I check in spring?
- What plumbing work needs a permit in Phoenix?
- What should a commercial plumbing preventive maintenance plan include?
- What temperature should a mixing valve be set at?
- Where does a pressure reducing valve go on a water line?
- Which plumbing repairs are safe to DIY?
- Why are there rust stains in my sinks and tubs?
- Why does an apartment building lose hot water on the upper floors?
- Why does my Sloan flushometer keep running?
- Why is my RPZ backflow preventer spitting water?
- Why will my smart faucet not reach the temperature in my preset?
- Are plumbing estimates free?
- How do I clean the pipes in my house?
- What does a backflow preventer do and how does it work?
- Can old plumbing raise my homeowners insurance rates?
- Does a change of use trigger plumbing upgrades in Phoenix?
- How long can a home go without water during a remodel?
- How long is the Kohler toilet warranty?
- What are the most common plumbing problems in older Phoenix homes?
- What is the best water softener system for Arizona?
- What plumbing does a new laundromat need?
- What plumbing should I check in a new construction home?
- What should a home buyer know about plumbing before closing?
- What temperature must hot water be in a commercial kitchen?
Codes and permits (20)
- Chandler water heater replacement permit: when you need one
- Do you need a permit to replace a water heater in Glendale?
- Do you need a permit to replace a water heater in Mesa? City Code 4-1-4(B)5 and the city FAQ
- Do you need a permit to replace a water heater in Peoria? Section 105.2 and the list of exempt plumbing work
- Do you need a permit to replace a water heater in Scottsdale?
- Do you need a permit to switch to a tankless water heater in Chandler?
- Litchfield Park water heater permit: required for every replacement, $50 flat fee and the install checklist
- UPC 506: Combustion Air for Gas Water Heaters
- UPC 510: Venting Gas Water Heaters (Category I Flues)
- UPC Section 507: Water Heater Installation Requirements
- UPC Section 608: Water Heater Relief Valve and Discharge Pipe Rules
- UPC Water Heater Drain Pan: When One Is Required and How It Drains
- Do you need a permit for a commercial water feature in Scottsdale?
- Does a Tempe tenant improvement need a plumbing permit? City Code 8-105
- What does Mesa's commercial plumbing plan review checklist require?
- When does a City of Maricopa tenant improvement need a permit, and what plumbing plans go with it?
- Which minor commercial plumbing jobs can be permitted online in Phoenix?
- How does Phoenix calculate a plumbing permit fee?
- When do you need a plumbing permit in Mesa, and what is exempt? City Code 4-1-4
- Does a restaurant remodel need Maricopa County plan approval, and what plumbing goes on the plans?
Guides (1)
Plumbing terms (8)
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