John Shillito
  • Appleton, WI
  • United States
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Fixing a water heater?
12 Replies

I've been doing HP assessments for 12 years, but find myself a little limited in my knowledge of this issue.Here's the scenario: I do an initial assessment where I find a 7-year old NG water heater…Continue

Tags: plumber, CO, heater, water

Started this discussion. Last reply by Matthew Lutz Jul 10.

EPAct builder tax credit extension
11 Replies

Folks, I have gotten an email from RESNET stating that this has been extended and made retroactive to Jan. 1, 2010. Has anyone gotten more details on this yet? I want to make sure that there are no…Continue

Started this discussion. Last reply by Lorna G. Fear Jan 4, 2011.

 

John Shillito's Page

Latest Activity

Matthew Lutz replied to John Shillito's discussion Fixing a water heater?
"hey thanks for the links. Very informative on FVIR units"
Jul 10
James P. Weingardt replied to John Shillito's discussion Fixing a water heater?
"The problem with a high CO in the flue is that if conditions such as floor movement, new fans installed in the house, insulation/air sealing issues may allow a system that already has high CO escape.  High CO will multiply when in a confined…"
Jul 5
John Shillito replied to John Shillito's discussion Fixing a water heater?
"Thanks to everyone for the great replies. I contacted the manufacturer, and the reply I was given by way of their technical department was that 2000 ppm CO is not a problem as long as it is venting properly out of the home. Testing for CO in the…"
Jun 24
Tom Delconte replied to John Shillito's discussion Fixing a water heater?
"Eric & Larry are both right , recorded here: http://waterheatertimer.org/How-to-troubleshoot-gas-water-heater.html  this site is super great!"
Jun 13
Brad Cook replied to John Shillito's discussion Fixing a water heater?
"A common cause that I have seen is undersized gas supply piping, especially when a combustion appliance is added to the line. Undersized gas supply pipe = lower gas pressure => high CO"
Jun 12
Eric Kjelshus replied to John Shillito's discussion Fixing a water heater?
"when we do cleaning for air conditioning or furnace work we also clean the air filter on the FVIR hot water heater.  look at my web sight under "peak"  HVAC  www.ericsenergy.com   I have seen 100's of full hot…"
Jun 12
Larry Weingarten replied to John Shillito's discussion Fixing a water heater?
"Hello:  If it's an FVIR heater, there can be restriction in the air intake caused by nearly invisible dust.  Washing off (or blowing off, or vacuuming) the intake screen and flame arrestor might not be a bad thing to do. …"
Jun 12
Tom Delconte replied to John Shillito's discussion Fixing a water heater?
"The homeowner is the expert! Assuming your CO meter is properly calibrated, the flue vent is not blocked, and the gas control valve is a-ok, it is strictly up to the homeowner to read the equipment manual, and go in and adjust the air shutter for a…"
Jun 11
Eric Kjelshus replied to John Shillito's discussion Fixing a water heater?
"9 ways to get high CO.  High presser low presser  impingement ( rust on burner- mis alined burner) to high flue presser lack of flue,  low temp very high temp. Flue to small or to cold   I find most plumber do not tune up hot…"
Jun 11
John Shillito replied to John Shillito's discussion Fixing a water heater?
"Bud, the weak draft was likely due to sharing a clay lined flue with a furnace. It was at an acceptable level."
Jun 11
John Shillito's discussion was featured

Fixing a water heater?

I've been doing HP assessments for 12 years, but find myself a little limited in my knowledge of this issue.Here's the scenario: I do an initial assessment where I find a 7-year old NG water heater with 1500 ppm undiluted CO. The homeowner brings in his plumber to "fix" it. The plumber, who doesn't own a CO monitor, cleans the burner and air intake grill, and proclaims it good. After work is done on the home, I re-test and find the CO to be even higher this time, and the draft weak.What…See More
Jun 10
Sean Lintow Sr replied to John Shillito's discussion Fixing a water heater?
"Wrong orifice for gas type? Bumped the burner knocking it out of alignment? Poor draft due to it cant pull as well due to air-sealing, etc... was a fresh air intake pipe added? Sorry but the only true & correct answer / fix which…"
Jun 8
Bud Poll replied to John Shillito's discussion Fixing a water heater?
"I'll let a pro (which I am not) jump in on the correct adjustment, but you said: "One thing I know is I need to align with a knowledgeable person to address this in the future." That is a mouth full and one of the major steps needed…"
Jun 7
Ed Voytovich replied to John Shillito's discussion Attempting to identify fireplace outside air intake in the group Best Practices (Residential)
"John:  The chase is unlikely to have been treated as "conditioned" space by the builder.  If it is not air sealed it performs basically like a small garage with a fireplace instead of a car in it.  Current code requires an…"
Dec 25, 2012
Simon Craig replied to John Shillito's discussion Attempting to identify fireplace outside air intake in the group Best Practices (Residential)
"Yes. Its correct."
Nov 8, 2012
John Shillito replied to John Shillito's discussion Attempting to identify fireplace outside air intake in the group Best Practices (Residential)
"That is correct Armando. I'm sure we won't be doing anything intrusive with regard to the chase, but I'd like to know if we could seal off the vent, as that was certainly a pathway for outside air to enter into the home."
Nov 1, 2011

Profile Information

Company
Home Energy Solutions
Professional Certification
HERS rater, BPI Building Analyst
Professional Interests
I work with homeowners on existing homes and builders with new construction.
Website URL
http://www.home-energy.biz
Facebook Page
jshillito1

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At 10:43am on December 20, 2010, Diane Chojnowski said…

Hi John,

Welcome to Home Energy Pros! Feel free to join the conversation in the Forum and Groups. And share your energy efficiency photos, videos and upcoming events. If you're blogging about home performance, this is the place for you!

Don't forget to upload your profile photo. And, add your location on our Member Map!

Thanks!
Diane, HEP Moderator

 
 
 

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