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My water heater makes a loud boom sometimes when it starts up. It has a electric ignitor.

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I have a 20 year old Ruud gas water heater with a power vent. The model is PVP 40-1. Sometimes it will not heat water. The power vent is running but neither the ignitor or the burner is. If I turn off the...


My guess is the ignitor needs replacing (old and has built up too much internal resistance). Even though it still works at times, I would suspect it first, even if it glows during an ignition cycle.

Dec 07, 2014 | Water Water Heaters

1 Answer

I can not get my heater to work. My gas is working because my range lights and my water heater is working.


Make sure the electricity is turned on, most new units have an electrical ignitor which must be turned on and heat up before it will allow the gas to come on.

Oct 19, 2014 | Water Heaters

1 Answer

Ticking sound top 1/3 of AOSmith Electric Water Heater


Replace heat trap nipples or inserts?
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#heat-trap
Factory Heat traps save $2-$9 per year but can cause noise, and you can make your own heat traps.
http://waterheatertimer.org/9-ways-to-save-with-water-heater.html#heat-trap
Electric water heater is probably the only household appliance made today that can be maintained and repaired by homeowner to last almost indefinitely. Certainly no other water heater can last as long, even with maintenance.
http://waterheatertimer.org/How-to-maintain-water-heater.html
Add a comment and say what you find

May 06, 2013 | Water Heaters

1 Answer

Water heater makes loud noise when burner is on


I would check the metal door on the bottom near the burner, sometimes they come loose and vibrate. If not that then I would suspect the chimney liner inside the tank, I have seen them corrode and start vibrating when the gas is running

Jun 09, 2012 | American Standard 40 G Natural Gas Water...

1 Answer

Rheem model #GP40T6PF00 lp hot water heater Will


sounds like one of the saftey relays might be going bad. or the ingniter might be cracked or need cleaning

Mar 08, 2010 | Rheem 40 Gallon FVR NATGAS Low WATER...

1 Answer

Loud noises


did you size the gas line properly? sometimes if the gas pipe isn't sized properly it will cause some pretty loud wistling noises. also if you have something in the fan like bugs or lots of dust it will cause alot of problems with noises

Jul 24, 2009 | Rinnai Digital Remote Water Heater Control...

1 Answer

Rheem 71 40d elecrtic water heater not heating


If it is an electric water heater, there is no pilot light. You could have bad elements or bad thermostats. Be careful working on an electric water heater, as most use 208-220 volts!

If it is a gas water heater, it could be a bad thermocouple, ignitor, gas valve.

My advice to you is to call a qualified service company to come repair your water heater.

Jul 09, 2009 | Vanguard International Vanguard BY Rheem...

1 Answer

Trying to find out if my new hot water heater is shot


The red button you pushed on the hot water heater was probably what is called a "piezo-electric" ignitor. It's normal for it to make a snapping sound and then pop back out. It sounds like you just lost the pilot light.

That being the case, do this:

Turn the gas valve on the hot water tank to the "off" position - it should be silver in color and down low on the tank. You may have to push it down to do this
Leave it off for about two minutes or so
Rotate the valve back on to the "Pilot" position
Hold down the pilot gas valve - it should be red and immediately to the left of the main gas valve.

While holding the pilot gas valve down, push the other red button to the right of the main gas valve - this is the piezo ignitor - push it several times in a row quickly

The gas pilot light should light
You can stop pushing the ignitor now, but continue to hold down the gas pilot valve (the one just left of the main gas valve). Let this valve up after about another 20 seconds or so.

Now rotate the main gas valve to the "on" position

Listen carefully - you should hear the main gas light and feel heat at the water heater flue outlet on top - don't touch it with your hand - you could get burned

If no luck, repeat the process until the heater re-lights

TIP - the instructions for re-lighting the pilot should be written on the heater

Just a potential diagnosis - the thunder clap, if as close as you describe, may have been intense enough to create what is known as a "draft inversion" that may have snuffed out your pilot light. The air pulse came down the flue pipe.


Apr 08, 2009 | American Standard Water Heaters

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