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Compare 16 electric and 2 gas water heater timers How much cost to run water heater Family chart for setting water heater timer 9 ways to save with water heater Do-it-yourself
Support project by buying from links to Amazon Figure volts amps watts for water heater Troubleshoot electric water heater Water heater manufacturers

How much hot water does bath or shower use?

water consumption bathtub
Take showers instead of bath.

Regular bath uses 13- 15 gallons hot water (20 gal water total)

Set water heater timer for 45-60 minutes for hot bath

Compare water heater timers
Off peak water heater options

Bathtubs and shower stalls at Amazon

A water heater holds 30 / 40 / 50 / 60 / 80 gallons of hot water depending on size of tank. A fully heated 40 gallon tank gives you 2 baths and a shower at one time.

Safety grab bar
Use safety grab bar on bathtub
Safety grab bar at Amazon
Bathtub safety grab bars
Shower rods Amazon
water consumption shower Shower uses 6 - 8 gallons of hot water (10 gal water total)

Set water heater timer for 20-30 minutes for hot shower

Family chart for setting timer

Shower stalls at Amazon
Home energy savings books at Amazon

hot water consumption

Clean shower and doors with White vinegar
or CLR calcium and rust remover
CLR shower cleaner Amazon
Shower stalls at Amazon
Price of water What is water worth?

If you had to carry each gallon from the river up to your 2nd floor bathtub, when would you start to conserve?
Average home uses 1/2 acre-foot water per year.
135,000 gallons = 27,000 5-gallon buckets
Read about growth and electric consumption
Pour bath water into rain barrel Pour bath water into rain barrel

Use 5 gallon bucket to empty tub and pour into rain barrel
Cut off top of 55 gallon drum and leave lip around edge for screen
Cover top with hardware cloth and then window screen to keep out mosquitoes
Add 2 pints Hydrogen peroxide occasionally to disinfect/ de-odorize

Order 1" bulkhead fitting, and drill 2" hole, uses 1" IP
Bulhead fitting at Amazon
55 gallon barrel Amazon
Rain barrels Amazon
Rain barrel
Larger image
Set rain barrel higher than 550 gallon tank
Use bulkhead fitting to tap into rain barrel
Use 1-1/4" PVC water line to connect rain barrel to tank
Tank must be on flat concrete pad.
Cover top of rain barrel with hardware cloth to protect animals from falling into tank.

Use gutter to channel water to rain barrel.
Pour bath water into 55 gallon barrel using 5-gallon buckets
Low pressure water timer

See example chart


Storage water heater holds 30 / 40 / 50 / 60 / 80 gallons hot water.
Check label on side of tank
Water heater manufacturers
Find age of water heater
Water heater formulas and terminology

Over sized bathtub: Min 65 gallon electric, 50 gallon gas water heater

For large bathtub, use 80 gallon first hour

What size water heater?

Size chart shows First Hour delivery rating
First hour is capacity of tank at peak-usage times.
For example at night when everybody is taking a shower or bath

Increase amount of hot water with changes and maintenance
How to adjust temperature
How to increase amount of hot water
How to maintain water heater

Homes with garden tub, whirlpool bath, or oversized tub = first hour 80 gallon

Avoid oversized bathtubs.
It's not cheap to heat all that hot water.
Buy a spa.
Drive to ocean and support tourism.

What size water heater for oversize bathtub?

Large bathtub / whirlpool tub

Recommend 80 gallon first hour delivery
Electric: minimum 60-to-80 gallon size just for that one tub
Gas: minimum 50 gallon size just for that one tub

Electric heat pump water heaters generally cannot produce enough hot water.

Tankless promise unlimited hot water, but temperature of water is 120 F and water in tub may be cool by time tub fills. Cost of maintenance and repairs never pay back. All costs are energy.
Troubleshoot Rheem tankless

safety chart

How to adjust temperature on water heaters
How to install gas water heater

Troubleshoot gas water heater

Troubleshoot electric water heater

Troubleshoot Rheem tankless

Additional links

Electricity from pole to breaker box

See basic 120V and 240V water heater circuits

Compare all water heater timers
Do it yourself
Do it yourself water heater

How to twist wire

How to wire off-peak water heater
Cutler Hammer C25BUB230A
Recirculation system
Hot water circulation system
Solar water heater
9+ ways to save with water heater

Motorized shut off valve

Anode rods

Clean sediment from tank

New water heater ideas

Dayton off-delay timer

Troubleshoot tankless heater
Intermatic parts
Intermatic trippers and parts
Paragon timers and manuals
Tork TU universal timer
Wire EH40 and WH40 timers
Power pack troublshoot  Tork timers and manuals
Tork TU universal timer
Gas and electric water heaters Support the economy:
Buy water heaters  from my associate links:

50 gallon Gas water heaters at Amazon
40 gallon gas water heaters at Amazon
50 gallon Electric water heaters at Amazon
40 gallon electric water heaters at Amazon
Hybrid / heat pump/ water heaters at Amazon

How to install gas water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
box timers Compare box timers
programmable timer Compare programmable timers
Countdown timers Compare countdown timers
Compare power packs

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