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Type: Posts; User: hearthman

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  1. Manometer tubing is used for very low pressures....

    Manometer tubing is used for very low pressures. Shouldn't be an issue. If it was for higher pressures, then yes, the static pressure of proportionately higher for smaller diameters, just as it is in...
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    There's nothing in the codes and stds....

    There's nothing in the codes and stds. prohibiting a double female single walled vent connector in the IRC Ch 24 or NFPA 54. If you have your requisite min. 2 screws per joint, what's the problem?
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    No pic showing connection to B-vent. You should...

    No pic showing connection to B-vent. You should have a "draft hood connector" as your transition to single walled pipe. That allows you to connect the single walled piping without risk of penetrating...
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    LOL Wayne. I have the manual and read it. They...

    LOL Wayne. I have the manual and read it. They don't say it's worthless to test below 3"wg. They claim that when testing properly installed ductwork, the leakage from properly made seams and joints...
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    There are several reasons to use this equipment....

    There are several reasons to use this equipment. You can use it with infrared thermography to locate leaks to the exterior for calculation of energy waste and savings after remediation. You can use...
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    A package unit as shown has both supply and...

    A package unit as shown has both supply and return trunks adjacent to themselves but also close to the combustion chamber and exhaust. If there is a shunt in the ducts, 'stuff' from one side and...
  7. When you change from common vented appliances to...

    When you change from common vented appliances to a single gas appliance, this triggers the need for a level II inspection per NFPA 211. That will undoubtedly indicate the need for a chimney liner....
  8. Check burner compartment to blower for bypasses. ...

    Check burner compartment to blower for bypasses.
    Did you perform combustion analysis?
    Are there any low points/ sags/ traps in the venting?
    Is combustion air intake hard piped to outdoors or...
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    A chimney must be suitable for the class of...

    A chimney must be suitable for the class of service. A 'chimney' is not rated for positive vent pressure. If you have a CAT III or IV gas appliance, it must be vented using listed venting (UL1738)...
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    Galvanized steel pipe has been fine and accepted...

    Galvanized steel pipe has been fine and accepted by the gas utility. They require galvy outdoors so no problem with H2S. If you're really worried about it, take a piece of chrome plated brass...
  11. You need to determine if the noise is coming from...

    You need to determine if the noise is coming from the box or the liners. Typically, banging in a metal fireplace is caused by the box being wracked so sitting uneven with stresses. you may need to...
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    Give it 20-40 min. then re-test. ANSI Z21.88...

    Give it 20-40 min. then re-test.

    ANSI Z21.88 calls for 25ppm AF with half burner covered with embers. They do this under ideal conditions with the unit really cooked in and going for as long as...
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    I use SprayWay because it's an alcohol-based...

    I use SprayWay because it's an alcohol-based foam. Mfrs. have determined ammonia-based glass cleaners can cause a rainbow discoloration of the tempered and ceramic glass (yours is ceramic). To remove...
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    You can seal the circumferential joints once...

    You can seal the circumferential joints once you've established the layout then silicone the firestop penetrations both inner and outer. You can attach a short length of tubing to a caulking gun for...
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    The O2 number will change as the vent heats up...

    The O2 number will change as the vent heats up and thermosyphons. That's about normal for a gas DV with a short vent run. The CO is supposed to be <25ppm AF. That's on a unit in perfect condition...
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    When you frame out for the firestop that forces...

    When you frame out for the firestop that forces your clearances to combustibles- 3" top/ 1" sides and bottom. Frame it in on all four sides then insulate up to this box but not inside. The sheathing...
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    You should be fine with your plan Gravity. It is...

    You should be fine with your plan Gravity. It is advisable to to vent off the top then out if you have the 3" clearance but if not it should vent just fine out the rear at that horizontal offset.
    ...
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    PVC has a maximum operating temperature of 140F....

    PVC has a maximum operating temperature of 140F. Typical flue gas outlet temps. are around 110F for normal operation. You can use a tapered thread brass, Nylon, or ss plug with a dab of standard 300F...
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    You would need to remove the flue tiles to make...

    You would need to remove the flue tiles to make room for a liner with the requisite insulation to meet the listing for a zero clearance to combustibles. Any competent chimney contractor should be...
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    Aside from being a code violation and dangerous,...

    Aside from being a code violation and dangerous, open flame testing is virtually useless. The lower explosive limit for methane is 4.4% or about 44,000 ppm. You should be able to detect that level by...
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    BE 41 allows vented logs. If the BE48 has gas...

    BE 41 allows vented logs. If the BE48 has gas knockouts then yes, you can install vented logs. These units were NOT listed for use with ventfree gas logs.
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    Terrible news! Rudy was one of the legends in CO...

    Terrible news! Rudy was one of the legends in CO education and a great guy. He will be missed.
  23. Thread: Boom !

    by hearthman
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    You musta' studied hard, Pop. You passed. Any...

    You musta' studied hard, Pop. You passed. Any chance pics and make/ model?
  24. You can use L vent and get it down to a 3"...

    You can use L vent and get it down to a 3" clearance to combustibles. You'll need a thimble to properly pass through that combustible wall. Hopefully, you already have a listed liner installed into...
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    I use this all the time and it works great:...

    I use this all the time and it works great: https://www.amazon.com/HENSLER-SHEET-METAL-HAND-BENDER/dp/B01DDWPE84
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    Messing with the forced air vents can upset the...

    Messing with the forced air vents can upset the balance in the home. If you have any other naturally vented combustion appliances, such as a gas water heater and you cause a depressurization, you can...
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    See if you have clearance for oval B-vent. It...

    See if you have clearance for oval B-vent. It used to be all ovalized B-vent was deemed BW vent for wall furnaces only. Just pay close attention to the clearances and firestopping requirements....
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    We can't give DIY advice here. See Site Rules....

    We can't give DIY advice here. See Site Rules. You are testing incorrectly. None of what you posted makes sense. If you are a tech, get your post count up so you can post in the Pro forums where we...
  29. Suggestion for Malco make reversible mag driver 7/16" x 1/2"

    https://www.malcoproducts.com/ideas/

    I pinged them with this idea based off their successful reversible magnetic hex bit drivers. I think a lot of sparkies and wrench heads could use such a bit...
  30. Thread: SPK problems

    by hearthman
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    First of all, replacing a thermocouple IS doing...

    First of all, replacing a thermocouple IS doing DIY.

    The Safety Pilot Kit or SPK is an RH Peterson part. Is this the logset you have? If so, a professional can change the SPK out BUT...…….. ...
  31. Why stainless steel? Because it lasts, unlike...

    Why stainless steel? Because it lasts, unlike beer can liners. I pull them all the time. 100% of the aluminum liners I inspect are corroded. When you common vent an 80% furnace in one, you'll surely...
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    As long as your utility is scrubbing your gas,...

    As long as your utility is scrubbing your gas, you don't need a 'drip' at the point of entry into the building. That means there is very little chance of liquid condensate draining into an appliance...
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    Hard to find the manual. I hate mfrs. who hide...

    Hard to find the manual. I hate mfrs. who hide their installation manuals but provide tons of fluff. From what I've found, this unit carries a zero clearance to a combustible floor. Talk to your...
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    If the fireplace has a convective chamber under...

    If the fireplace has a convective chamber under the firebox you're probably fine. These fireplaces are listed for installation on a combustible floor with less than 90F temp rise under the firebox...
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    The gas valve is rated 225F. Burning in a mason's...

    The gas valve is rated 225F. Burning in a mason's jar will probably overheat it.

    Combustion needs oxygen. Burning in a mason's jar will probably use up the oxygen faster than it can entrain...
  36. Cut your wood smaller but burn it hot. Get a...

    Cut your wood smaller but burn it hot.
    Get a smaller stove
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    I flagged your other post with poor advice. You...

    I flagged your other post with poor advice. You really shouldn't be giving advice if you don't know what you're talking about.

    For one, the glass on these fireplaces is tested and listed with...
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    If you cut a hole in the ceiling, it will draft...

    If you cut a hole in the ceiling, it will draft CAZ air up into the attic further depressurizing the CAZ. If you deliberately depressurize the CAZ to force attic air down the MUA tube into the CAZ,...
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    813332 Screw this to a drive. The rounded edge...

    813332

    Screw this to a drive. The rounded edge of the clip can act as a squeegee.
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    https://www.levelok.com/product-category/ladder-st...

    https://www.levelok.com/product-category/ladder-standouts-ladder-standoffs/

    We require these on all extension ladders or where there is a gutter. Quick to mount and very stabile and light. Replace...
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    The venting must meet the code. That means a lot...

    The venting must meet the code. That means a lot of things here. The foil tape is not allowed nor needed on the B-vent. The elbow appears to be modified. There should be a draft hood connector that...
  42. Need to run combustion analysis. Also consider a...

    Need to run combustion analysis. Also consider a post purge cycle of about 4 minutes if not already.
  43. If you have turned your control knob to 'on',...

    If you have turned your control knob to 'on', have maintained the fireplace and the gas is not partially obstructed such as a partially closed valve then you need to call a pro. Sorry but we can't...
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    The igniter is part of that Honeywell valve,...

    The igniter is part of that Honeywell valve, which is no longer made. Check the instruction manual for your fireplace to see if they give info. on troubleshooting the igniter. If you are not getting...
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    Ventfree are tested in a lab to emit no more than...

    Ventfree are tested in a lab to emit no more than 200ppm CO. That's not in a home with foot traffic, kids playing, and other forms of air movement that can cool the flames and cause flame...
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    What vent pipe are you using?

    What vent pipe are you using?
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    Can't. Gotta be rated 250 F by code.

    Can't. Gotta be rated 250 F by code.
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    #26 shows the fan motor--not a transformer.

    #26 shows the fan motor--not a transformer.
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    Don't hold your breath on that 30%. Outside air...

    Don't hold your breath on that 30%. Outside air is cold. It slows combustion. These kits were a seemingly good idea on paper but not in practice. The open hearth will draw its combustion air from the...
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    An outside air kit isn't going to warm you. If it...

    An outside air kit isn't going to warm you. If it is located in a negative pressure zone, it can suck heated air out of the fireplace into the flex duct.
    Are your doors labelled "Heatilator"? If...
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