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-   -   Gas pressure question / big pilot flames (http://www.diychatroom.com/f17/gas-pressure-question-big-pilot-flames-93394/)

Mrdippy 01-24-2011 08:11 PM

Gas pressure question / big pilot flames
 
I have a natural gas 10k blue flame ventless heater with a big noisy pilot flame in the basement as supplemental heat down there, and a natural gas vented fireplace log set in another room also with a big noisy pilot flame. I called the gas company to ask them to check my pressure but they only do that for low pressure concerns - not high.(!). The house was built in the 50s and near before I bought it 2yrs ago the prior owner replaced what I'm sure judging from old ductwork was a big dinosaur of a furnace with a high efficiency Bryant 90i. I replaced the natural gas water heater last year and that was a 1994 model. I would imagine my current natural gas demand is much less than the house was previously demanding. Picking a gauge to measure nat gas pressure seems a lil complex, do I use psi or water columns... splurge for a gauge that does both? Looks like a gauge is $50 for something I'll use maybe twice :) The blue flame heater and the fireplace log set have regulators within them, so even if the pressure were high no biggee? Am I worrying about nothing? Strictly speaking all gas appliances work a-ok, and the pilot for the hot water is sealed in so I can't judge it's size/noise very well. Appreciate any thoughts!

beenthere 01-25-2011 02:42 AM

Gas pressure is generally measured in inches of water column.

Look at the gas valves. Should have an adjustment for the pilot.

kenmac 01-25-2011 12:52 PM

Those heaters usually have good size pilots. There usually long and thin pointed ( sort of) at the tip

artbuc 01-25-2011 05:06 PM

Quote:

Originally Posted by Mrdippy (Post 577269)
I have a natural gas 10k blue flame ventless heater with a big noisy pilot flame in the basement as supplemental heat down there, and a natural gas vented fireplace log set in another room also with a big noisy pilot flame. I called the gas company to ask them to check my pressure but they only do that for low pressure concerns - not high.(!). The house was built in the 50s and near before I bought it 2yrs ago the prior owner replaced what I'm sure judging from old ductwork was a big dinosaur of a furnace with a high efficiency Bryant 90i. I replaced the natural gas water heater last year and that was a 1994 model. I would imagine my current natural gas demand is much less than the house was previously demanding. Picking a gauge to measure nat gas pressure seems a lil complex, do I use psi or water columns... splurge for a gauge that does both? Looks like a gauge is $50 for something I'll use maybe twice :) The blue flame heater and the fireplace log set have regulators within them, so even if the pressure were high no biggee? Am I worrying about nothing? Strictly speaking all gas appliances work a-ok, and the pilot for the hot water is sealed in so I can't judge it's size/noise very well. Appreciate any thoughts!

Make your own manometer for a couple bucks. Do a Google search. Pretty simple and dead-on accurate.

Mrdippy 01-25-2011 06:51 PM

Thanks for the ideas! I have some new ideas to run down on this. I will make a manometer to put my mind at ease.

artbuc 01-26-2011 07:09 AM

Quote:

Originally Posted by Mrdippy (Post 577901)
Thanks for the ideas! I have some new ideas to run down on this. I will make a manometer to put my mind at ease.

Make sure you read the bottom of the meniscus.


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