My heater is not getting hot i can not tell if their is a pilot light or a reset button i don know what to do with the heater it is very different how can i heat my water heater

Hold in your pilot button, then push the spark button repeatedly to light your pilot. Once its lit, hold that pilot button in for 30 seconds to heat your thermocouple. once its heated, release the button, and slide the slider to burner position. Turn on hot water fixtures to get the unit to light

Reset button on gas water heater??
Usually there is not a reset button on gas water heater, which might explain why is doesn't move:

Do you mean the igniter button for lighting pilot?? The piezo igniter can go bad.

Copy following links for troubleshoot resources:
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html
http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html#intellivent
http://www.thetankatwaterheaterrescue.com/forums/forum3/

Add comment with description of water heater, and more detail or call plumber.
Gene
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If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

you need to shut off the the red nob and turn the nob off in front take the cover off remove the heat shield turn the nob on top to pilot use a piece of paper to light put in next to pilot and hold button down for 20 to 50 secs pilot should stay lit turn nob on front then burner should kick on then you should be all good

Consult your owners manual.
http://www.bosch.com.au/content/language1/downloads/70R_UserManual1023.pdf
Heres a new one if you don't have or lost yours. You can't, you got bad advice. tankless system don't have a running pilot light. They operate by detecting water flow and then turning on. Many also state on the lighting instructions to NEVER try and manually light the pilot. Try Bosch tech support. Lowes sells Bosch heaters and they might be able to help you get the support number faster. Hope this helps but please don't go sticking a flame inside there.

Well, let's start the trouble shooting process with trying to get the pilot lit...
Have you removed the cover at the bottom of the heater?-- Can you see an pilot light inside?

If not, Can you try lighting the pilot-- and noticing how the pilot flam heats the little ThermoCouple (TC)?
Note: In order for gas to flow thru the main control valve, the pilot light has to be heating the TC-- to generate a voltage, that in turn allows the main gas valve to open.
Do you need help in getting the pilot light lit?-- do you understand the need to hold down the start button, until the TC gets heated up?

Let us know what you find

Mack B

Push also the gas button and hold in until pilot lit and then for some seconds [8-30] after until the thermocouple is hot enough to tell the boiler to light the main burner

turn the dial to pilot and push and hold down red button while you light the pilot located inside water heater beside burner, keep holding button down after pilot is lit for about 1 minute. If you let go and pilot goes out repeat above steps and make sure pilot flame is heating up the thermal couple. If that fails replace themal couple.

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.

Try this, turn the black gas ****, on top of the control box, to the Pilot position. Set the temp. control on the front of the box to the desired temp. Then, hold a match or whatever else you use to light it, next to the end of the pilot, then, while holding the match to the pilot, press the reset button on top. When the pilot lights, continue to hold the reset button down for about 1 minute. Then, after a minute, turn the gas **** to the ON position, then it should remain on.

TAKE A SHPO VAC AND CLEAN AREA. MAKE SURE YOU PAY SPECIAL ATT. TO THE PILOT LIGHT. FIND BUTTON HOLD IN AND IGNITE DONT LET GO WHEN IT LIGHTS FOR AT LEAST FIFTEEN SEC.. YOU MIGHT ALSO HAVE TO TURN THE THERMASTAT OR KNOB TO PILOT FIRST. AFTER IT HAS LIT TURN UP FLAME