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Repair Water heater valve
Gas control valve
Resource:
Troubleshoot and replace by type of gas control valves
Troubleshoot gas water heater
Troubleshoot FVIR system

How to light water heater
How to adjust temperature


Use pipe to remove gas control valve
How to replace water heater gas control valve thermostat
Do not remove valve from tank to replace Honeywell gas controls
How to replace Honeywell gas control valve
Bradford White gas water heater  Turn off gas valve Gas shut off valve

Buy
Brass Gas ball valve at Amazon

Resource:
Emergency steps for leaking water heater
How to install gas water heater
Water heater safety precautions

Ball valve Ball valve is OFF when handle is perpendicular across gas or water line

All ball valves are same
Same for gas and water lines.
1/4 rotation needed to turn ON or OFF
When handle is perpendicular to line, then valve is OFF
Buy:/ water
3/4" ball valve at Amazon
Brass ball valve
Buy:/ gas
Gas ball valve
TP valve     Raise TP lever TP valve/ Aka pressure/Temperature valve
Pressure release opens when temperatures exceed 150-180 degrees
Lift and gently lower TP valve once each year

Buy: TP valves:
Replacement TP valves at Amazon
Teflon tape at Amazon
Resource:
How to troubleshoot and  replace TP valve
TP valve code
Brass drain valve    Water heater drain cap  
Drain valve

Use hose cap to solve dripping drain valve
How to troubleshoot and replace drain valve

Buy:
Buy replacement brass drain valve at Amazon
Brass hose caps at Amazon

water heater ball valve
Water heater drain valve
Replace Water heater drain valve with ball valve
Easier flush and clean out
Full open position lets you insert 1/4" copper pipe flushing tool

Resource:
How to clean sediment out of water heater
How to replace drain valve
How to flush water heater/ steps3/4" ball valve at Amazon
Brass ball valve

Buy: parts to make this drain valve
Dielectric nipples at Amazon
3/4" ball valve at Amazon


3/4" pipe to 3/4" garden hose
Flush tool
tank rinser
Plastic tank rinser
Works with ball valve shown above

Buy:
Tank rinser at Amazon
Resource:
How to replace drain valve with ball valve
Water heater flush tool


Make a flush tool
Works with ball valve
36" aluminum tube or plastic tube connects to garden hose.
Remove drain valve to insert tool -or- install full-flow ball valve shown above
Tube inserts through ball valve opening.
Make tool using 3/8" flexible copper pipe
Buy:
3/4" Hose barb adapter at Amazon
Hose adapter to 1/4" compression
No-rust hose shut off at Amazon
3/8" clear hose at hardware
Hose clamp at hardware
sharkbite ball valve

Sharkbite ball valve for pex water line
Hot or cold installation
Push fitting... push pipe into fitting
Pex polybutuylene pipe is popular for some installations because it is quick and easy, reliable, not overly vulnerable to low temperatures, can be retrofit into old construction with minimal effort, can be installed in new home very quickly, and is low cost

Buy:
Sharkbite ball valve at Amazon
Sharkbite water heater connection
anti-siphon valve Anti-siphon valve/ attach to outdoor spigot
Install on each outdoor spigot. Then attach garden hose to valve.
Prevent water from being drawn into home from outdoor hose
Each time water is turned on inside home, the pressure from running water can draw water into plumbing pipe from garden hose
Never leave end of hose in a swimming pool, pond, or puddle of water

Buy:
Anti-siphon valve at Amazon
Tank pressure

Pressure gauge on drain valve
Two reasons why:
1) Low water pressure
Use pressure gauge on drain valve to test household pressure
This will indicate if pressure problem is before water heater or after
Resource:
5 Steps to determine low hot water pressure

2) Pressure over 80psi can damage water heater
Can also shorten life of plumbing fixtures, and faucet cartridges
Can shorten life of water well pump, etc

Buy:
Water pressure gauges
Safety Equipment for Professionals
Industrial and scientific Amazon
pressure gauge  
Permanent pressure gauge
Install Permanent pressure gauge on cold water line
Pressure over 80 psi can damage tank and shorten life of plumbing fixtures
1/4" iron pipe thread

Buy:
Pressure gauges at Amazon
Temperature-pressure gauge
Temperature pressure gauge at Amazon
sharkbite pressure gauge
Permanent pressure gauge
Pressure gauge for Pex pipe
Pressure over 80 psi can damage tank and shorten life of plumbing fixtures

Buy:
Pressure gauges at Amazon
Sharkbite pressure gauge at Amazon
temperature gaugeTemperature gauge
Permanent install on hot pipe leaving water heater.

Buy:
Winters Temperature gauge
Temperature-pressure gauge for boiler
Expansion tank Reduce pressure with expansion tank
Pressure over 80 psi can damage water heater and pipes over time
Install expansion tank anywhere on cold water line, between any check valve and water heater
Tank will allow hot water to expand water in water line preventing long-term damaging to pipes and fixtures and water heater

Water confined to a storage tank or piping system, when subjected to a temperature rise of 10F (increasing from 75 to 85),increases pressure from 50 psi to 250 psi

Buy:
Expansion tanks at Amazon

Resource:
Expansion Tank Installation pdf
Closed system / pdf
Pressure reducing valve Pressure reducing valve
High pressure over 80psi can damage water heater and plumbing
Install expansion tank, and/or pressure reducing valve
Pressure reducing valve is installed on cold water supply line to regulate and stabilize flow pressure

Buy:
Pressure reducing valves
Pressure regulating valves at Amazon
Resource:
Watts pressure reducing valves/ pdf
Back pressure relief valve Back-pressure relief valve
Relieves pressure when unit is heating, on plumbing systems where a check valve is required on cold water supply line. To be plumbed over open-site drain.

Buy:
Back pressure relief valves at Amazon
Probably non-existant product Pressure increasing valve
Low pressure can cause plumbing problems.
Tankless water heater might not activate
Home might not be able to run water on upper floors.
Resource:
How to increase pressure using pressure reducing valve
main water shut off Main household shut off valve
Open meter box. Dig down in soil on house side of meter.
Rotate valve 1/4 turn so handle is perpendicular across line.
Use water key or channel locks etc
Emergency steps to turn off leaking water heater
Leaking water heater

Buy water key at Amazon
Water keys at Amazon
water meter Household water meter
A main water meter is the Water Retailers’ approved water meter connected directly from the water main located as close as possible to the properties’ title boundary.
Approved Contractors install household Water Meters

You can install water meter on outdoor hose or other location inline, or portable on your water supply without getting city approval
Buy:
Water meter with digital output
Water meters at Amazon
water heater shut off valve Gate valve or ball valve/ Shut off
Installed on cold side of water heater
Size 3/4"
Install on cold water side.
Open hot tap and let run for a few moments. then feel both pipes on top of water heater. Cold side will feel cooler.

Resource:
How to solder pipe
Buy:
3/4" ball valve at Amazon
Brass ball valve

Shop Amazon - Industrial and scientific

automatic water heater shut off valve Automatic water heater shut off valve
Automatically shuts off water in case of water leak
Set detector in water heater drain pan
Plug transformer into 120Volt outlet
Lead free brass

Buy:
Water heater shut-off at Amazon
Automatic water shut off valves at Amazon
Resource:
Onsite Pro FS1NPT manual
Watts WDS 0301003 discontinued
Watts automatic shut off valve sell sheet
Watts automatic shut off valve manual
Turn off water heater Main shut off
Emergency steps:
-Turn off water to house and turn on cold tap if pipes are leaking
-Turn off water to heater and open tub spout on hot side if water heater is leaking bad
Buy:
Water key at Amazon
Resource:
Emergency steps for leaking water heater
Delime tankless
Larger image
Service valves 

Delime tankless yearly
Tankless heat exchanger is prone to scale build-up, and must be delimed each year. Error code IL means delime.
Deliming will not restore full efficiency. Read research
Resource:
How to delime tankless water heater
Maintain water heater 2012/ pdf
Delime-tankless-water-heater.pdf
Rheem-De-lime-tankless/ pdf

Buy project materials
Tankless flushing kits
Tankless service valves
Submersible pump
Filter washers at Amazon
Washing machine hoses at Amazon

You need service valves and pipe parts, 1-2 washing machine hoses with female connection both ends, circulation pump, and find 5 gallon bucket along road, plus buy 2 gallons white vinegar at grocery store.
Only takes 45 minutes!  Assemble parts for flushing and do it each year until yer widow inherit the job.
Arern't you glad you squeezed that tankless in the closet, over the hardwood floor? What a space-saver!
Or just install ordinary tank type water heater yourself for $385
Water heater odor
Applies to gas and electric water heaters
Larger image

Read more about how to flush water heater each 6 months
Control odor by adding Hydrogen Peroxide regularly
Read more about anode odor problem at pro water heater forum
Install ball valve on Hot side so you can pour in peroxide
Hot side will allow peroxide to enter top of tank. (cold side will put peroxide at bottom)
Applies to gas and electric heaters.


Turn off power to water heater:
Let tank cool so hot does not explode out ball valve
Shut off cold water to tank.

Open bathtub hot side to release pressure.
Leave bathtub valve open until finished. This will tell you when tank has refilled and ready to apply power.

Drain 2 gallons from tank


Add 2 pints harmless Hydrogen peroxide to water heater. Let stand for 2 hours.
H2O2 is easy to flush out, and generally harmless to people. Can be used as mouthwash, read label on hydrogen peroxide bottle.
Do not use clorox.
CLOROX is NOT used for this purpose since it cannot be easily flushed out, and bleach odor can last weeks or longer coming out each tap for extended period of time.
Then drain tank to flush hydrogen peroxide. Refill completely until water is coming out of bathtub drain, then turn on water heater. Applies to gas and electric heaters.


Buy parts to make this drain valve
Di electric nipple
Ball valve at Amazon
Lead-free ball valve at Amazon
Plastic funnels at Amazon
Buy hydrogen peroxide at Grocery store or Drug store
Shop Amazon - Industrial and scientific
Backflow preventer Backflow preventer valve
Not used on water heaters, but can be part of household plumbing
Backflow preventer is required for connecting irrigation system or sprinkler system to household water pipes. This prevents indoor water use from drawing water from sprinler pipes back into household water pipes.
Swimming pool, or outdoor ponds: If water hose is left in pool or pond or puddle of water, then water use inside home can draw pond water back through water hose and into home water pipes. Install backflow preventer 
Swing check valve Swing check valve
One way valve: Lets water pass one direction, but not other direction
Why is this important?
Recirculation system loop can draw cold water into hot pipe causing cold flashes during shower.
Bad swing check valve can cause crossover: Crossover
Swimming pool, or outdoor ponds: If water hose is left in pool or pond or puddle of water, then water use inside home can draw this water back through water hose and into home water pipes. Install backflow preventer shown above.
Install this type check valve in horizontal position
Buy:
sharkbite check valve
Swing check valve at Amazon
Resource:
Install swing check valve
check valve Check valve for sump pump
Not used for water heater
One way flow. Stops water from flowing other direction.

This type Check valve is installed on sump pump drain line so water does not run back into sump
This type valve is not rated for household water lines, and will break loose and cause massive water leak.
Use swing check valve shown above for household pipes
Buy:
Buy check valve at Amazon
2" PVC solvent weld check valve
Recirculation system
Crossover valve
Crossover valve
Recirculation crossover valve
Each recirculation system has one-way crossover valve
The valve comes as part of recirculation system
Take apart and clean with white vinegar
Buy:
Replacement crossover valve


Resource:
Water heater recirculation system + troubleshoot

Noisy recirculation pump:
Install air vent to keep air out of pump impeller
Take apart and clean pipes and pump with white vinegar

Larger image  
Air vent/ Eliminate air build-up in water line
Add air vent to high point on plumbing
Eliminate banging pipes caused by air inside line
Frequently found with recirculation systems so pump lasts longer, runs quieter
Required with solar installation
Buy:
Air vent/ Float vent
Resource:
Air vent .pdf

Mixing valve         Mixing valve Mixing valve
Different temperatures for different parts of house
Very hot water for laundry room, regular Hot water for rest of house
Rotate knob to select temperature
Requires separte pluming lines to each area of house
Resource:
How to save hot water using mixing valve
Installation pdf
Buy: from my affiliate links:
Mixing valve kit at Amazon
Water heater mixing valves at Amazon
vacuum relief valve Vacuum relief valve
Vacuum relief valve opens when pressure drops.
Air is admitted into line to prevent tank from collapsing
Required on solar water heater installations
Buy:
Buy vacuum relief valve at Amazon
Marathon water heater connections Marathon Vacuum relief valve
Marathon tank is non-metallic, and might be susceptible to drop in pressure in conditions where steel tank would not be affected
Resource:
Review marathon water heater
Rheem Marathon parts list
Marathon troubleshoot walk-thru/ pdf
water heater valve Watts makes wide variety of household plumbing accessories

Buy:
Watts / water heater pressure
Watts / filtration
Watts / misc


Heat trap nipples
Hot side and cold side heat trap nipples
Water heater valve making noise???
Might be heat trap nipples or inserts
Resource:
New water heater making noise

Buy:
Pex-lined di electric nipples/ at Amazon

More links:
2-pole contactor        3-pole contactor 2-pole and 3-pole contactors
Use 2-pole for household 120Volt and 240Volt circuits.
Use 3-pole for 3-phase, or multiple household loads.
Resource:
Contactors
3-phase motor wiring General 3-phase motor wiring
All 3 wires are needed to run 3-phase motor
Contrast: 240Volt household motor requires 2 Hot wires.
Color code for 3-phase wires varies by country, and by appliacation
Motor is switched on-off by contactor or motor starter etc
Resource:
What is 3-phase
How to wire 3-phase timers and contactors
3-pole contactor
Control 3-phase using contactor
Resource:
How to wire 3-phase timer
3-pole contactors
Contactors and relays
Amazon services
Professional services
 
Gas and electric water heaters

Resource:
How to install gas water heater
Troubleshoot gas water heater
Troubleshoot electric water heater
Troubleshoot Gas valves with manuals Icon gas valve

How to replace elements


Replace thermostats
How to wire tankless electric


Install point of use water heater
Titan tankless
Anode rods anode rods
Recirculation system Point of use water heater
Type 1 and type 2 surge protection surge protection
Resource:
Adjust temperature on gas water heater

Troubleshoot gas water heater by type of gas control valve
Gas and electric water heaters Buy
Industrial electric

Industrial supplies

Tools and home improvement

Lab and scientific
Buy Tools
DEWALT
Black and Decker
Stanley
SKIL
Makita
Porter-Cable
Bosch

Irwin Hand tools
Klein hand tools
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
Intermatic
Control water heater w/ Z-wave
Intermatic control centers Resource:
Control centers:
+ manuals and parts


All control centers and parts

Including Z-wave
programmable timer Resource:
Compare programmable timers
Compare countdown timers
Delay timers
Modules
Din rail
Twin
Woods
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