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Old 01-24-2011, 09:11 PM   #1
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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!

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Old 01-25-2011, 03:42 AM   #2
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Gas pressure question / big pilot flames


Gas pressure is generally measured in inches of water column.

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

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Old 01-25-2011, 01:52 PM   #3
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Gas pressure question / big pilot flames


Those heaters usually have good size pilots. There usually long and thin pointed ( sort of) at the tip
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Old 01-25-2011, 06:06 PM   #4
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Gas pressure question / big pilot flames


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Originally Posted by Mrdippy View Post
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.
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Old 01-25-2011, 07:51 PM   #5
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Gas pressure question / big pilot flames


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.
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Old 01-26-2011, 08:09 AM   #6
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Gas pressure question / big pilot flames


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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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