What size water heater? |
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- Take showers instead of bath. Save 10 gallons hot water each time. - Hand wash dishes/ run full loads - Fix leaks. Dripping faucet can cause cold water to enter tank continually. - Low flow faucets & shower heads - Don't run water continually when brushing teeth - Don't turn on hot side when using cold water Read about crossover - Install pressure reducing valve. See installation - Read more ways to save with water heater 9 ways to save with water heater Maintain water heater |
![]() For large bathtub, use 80 gallon first hour | 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 | |
![]() ![]() Chart for setting water heater timer Kilowatts needed to heat water |
uses 13- 15 gallons of hot water (20 gal water total) Set water heater timer 45-60 minutes for hot bath Shower
uses 6 - 8 gallons of hot water (10 gal water total) Set water heater timer 20-30 minutes for hot shower |
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![]() How to adjust temperature on water heaters |
![]() How to install gas water heater Troubleshoot gas water heater Troubleshoot electric water heater |
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