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How to test water heater draft 
 
Use 6 wraps teflon tape
White for water lines
Yellow for gas lines

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Pipe wrench at Amazon
Channel locks

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How to remove rusted element


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Knipex channel locks
Irwin pliers
replace anode rod
Inspect anode each 2-5 years
Anode rod prevents tank from rusting
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Anode rods at Amazon

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Replace anode rod
How to maintain water heater

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Impact wrench at Amazon

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Replace anode rod
How to remove short water heater nipple
Water pressure gauge

Pressure gauge/ attach to water heater drain valve
Pressure over 80 psi can damage water heater and household plumbing
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Water pressure gauge
Temperature-pressure gauge

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Identify water heater valves
Troubleshoot water pressure
Automatic water heater shut off valve
Prevent flood
Automatic water shut off valve
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Leaking water heater/ steps
Pressure reducing valve
Pressure reducing valve
Pressure over 80 psi can damage water heater and household plumbing
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Pressure reducing valve

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Identify water heater valves
Troubleshoot water pressure
Sharkbite pressure gauge
Sharkbite pressure gauge

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Sharkbite pressure gauge

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Water heater valves

Water heater circulation system

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How to install recirculation system
COLD side Sharkbite flexible water heater connector
COLD side Sharkbite flexible water heater connector

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Sharkbite water heater connection
Braided water heater line
Stainless steel flexible connection

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How to install electric water heater
How to install gas water heater
Leaking water heater
HOT side Sharkbite flexible water heater connector
HOT side Sharkbite flexible water heater connector

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Sharkbite water heater connection
Braided water heater line
Stainless steel flexible connection
Braided water heater line
Flexible water heater connection

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How to install electric water heater
How to install gas water heater
Leaking water heater

Carbon monoxide poisioning
All gas appliances must vent out of house to avoid CO poisoning. Remove affected people from house, lay people on side and never on back, call for emergency assistance.
Bad water heater draft, or venting, can cause backdraft where toxic byproducts travel down vent pipe, entering home  ... this causes poison CO (carbon monoxide) gas to enter house (instead of poisoning the air outside) ... symptoms of vent problem can be soot on top of old heater, soot on burner of old heater, frequent pilot outage, lazy yellow flame,  headaches that go away when leaving house, and death of occupants. Immediately contact plumber to solve the backdraft problem. Power direct vent water heater might be required if proper venting is not possible.

How to test water heater draft
Test flow of air going up the water heater vent

 Let main burner operate for 5 minutes.
Then put match near vent hood.
Smoke from match should get sucked into vent
See if smoke drafts immediately upward.
The smoke should not linger. It should draw upwards quickly.
If vent does not have draft or if furnace vent is blowing out of water heater vent when furnace turns on, then vent pipes must be repaired.

Test again with other vents in use: Turn on all vent fans, and blowers going to outside, including gas furnace, whole house vent fans, bath fan, range hood fan, etc, and recheck the vent pipe draft.

Bad water heater draft can cause backdraft where toxic byproducts travel down vent pipe, entering home  ... this causes poison CO gas to enter house (instead of poisoning the air outside) ... symptoms of vent problem can be soot on top of old heater, soot on burner of old heater, frequent pilot outage, lazy yellow flame,  headaches that go away when leaving house, and death of occupants. Immediately contact plumber to solve the backdraft problem. Power direct vent water heater might be required if proper venting is not possible.

All gas appliances must vent out of house to avoid CO poisoning. Remove affected people from house, lay people on side and never on back, call for emergency assistance.
Resources
Read checking the draft
Water heater vent test/ pdf
Checking the draft
Carbon monoxide detector for water heater

If local codes require carbon monoxide detectors, the gas water heater installer must make sure that a hard wired carbon monoxide detector with an alarm and battery back-up is installed on the floor level where the gas equipment is to be installed ... and  additionally... that a battery operated or hard wired carbon monoxide detector with an alarm is installed on each additional level of the dwelling, building or structure.
It shall be the responsibility of the property owner to secure the services of qualified licensed professionals for the installation of hard wired carbon monoxide detectors.
If equipment is installed in a crawl space or attic, then the hard wired carbon monoxide detector with alarm and battery can be installed on the next adjacent floor level.

Each carbon monoxide detector should comply with NFPA 720 and be ANSI/ UL 2034 listed and be CSA certified.

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Hardwired carbon monoxide detector
Battery-operated carbon monoxide detector
14 things needed for gas water heater & .pdf resources
What you need for operation of gas water heater.
General troubleshoot
1) Basic parts and operation
2) Adequate incoming air supply ... issues: closed doors, tightly insulated house, very hot attic.
3) Adequate air supply getting to burner... issues: dirty vent screen, dirty environment, maintenance.
4) Thermal cutoff  ... TCO ... issues: failed part, maintenance, vent.

5) Flammable vapor lockout .... issues: exposure to vapors, bad FV sensor, failed FV system,
6) Fuel supply to gas valve thermostat ... natural gas and propane are different ... issues: wrong gas, low pressure, moisture in pipe, undersized gas meter, supply line too small for BTU rating.
7) Gas valve thermostat regulates fuel supply ... issues: not enough gas, failed thermostat, failed gas control valve.

8) Fuel supply from thermostat to burner ... issues: maintenance, thermocouple-thermopile, gas control valve.
9) Clean and replace burner ... issue: periodic maintenance requires burner inspection, cleaning, and possible replacement

10) Functioning thermopile-thermocouple-pilot light ... issues: misalignment, failure of part.
11) Ignition of fuel supply by pilot light or hot surface igniter ... issues: pilot light, piezo igniter, electrode.

12) Power vent water heater troubleshoot ... issues: pressure switch, blower, blower sequence from gas control, outlet polarity
13) Venting combustion byproduct .... issues: vent in disrepair, other vents in house drawing air

14) Misc troubleshoot manuals

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Resources:
How to install gas water heater
How to install electric water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
Point of use water heaters
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Troubleshoot Gas valves with manuals
Icon gas valve

How to replace water heater element Waste King disposal
How to wire tankless electric


Install point of use water heater
Titan tankless

Contactors/ relays
Type 1 and type 2 surge protection surge protection
Programmable timers

Woods timers
surge protection
Anode rods anode rods
Recirculation system

Tankless recirculation
Point of use water heater
Install and troubleshoot garbage disposal Waste King disposal
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Electronic parts

Industrial supplies

Tools and home improvement

Home and garden

Hayward pool
Pentair pool

Southwire electric
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Tools

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Irwin Hand tools
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Fluke electrical testing
Dremel hobby tools

Campbell Hausfeld air powered
Tekton automotive

Powerbuilt automotive
Saws and saw blades
box timers Resource:
Compare box timers
DPDT timers
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Control water heater w/ Z-wave
Intermatic control centers Resource:
Intermatic control centers: and parts
Digital control centers and parts
Tork control centers and parts
Subpanels
All control centers and parts
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programmable timer Resource:
Programmable timers
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Timer modules
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