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Ceramic fiber sheet, such as Fiberfrax. There is a similar product now available online. Comes in a cardboard tube cut to fit.

Lesson: Don't do service on units you are not familiar with or have...

same, same

graphite

That connector is not screwed to the draft hood with 3 equidistantly spaced screws. The connector is not properly supported. The unnecessary capped tee should have been removed. There should be a...

He posted this same thing on 'another site'. See my answer there.

I can think of venting and gas pressure issues that could play into this but have not been mentioned. The most obvious question I believe is why are you trying to resuscitate a 30 yr old furnace?

Your assumptions about the integrity of the fireplace flues is, unfortunately, quite common. I've never found a chimney that can pass that inspection 100% nor have I met a chimney pro who has. They...

The first thing you need is a Level II inspection per NFPA 211. This is where a chimney pro runs a closed circuit camera up the chimney flues recording video and stills. Next, he gets on the roof,...

All venting on solid fuel must be assembled with the male end pointing downwards so any condensate remains inside the pipe. Woodstove installations are not a good DIY project. I strongly recommend...

Copper allowed if <0.3 grains hydrogen sulphide per cubic meter. See gas company for analysis of their gas. Copper can be buried in wet concrete or direct contact ....IF...there are not a lot of...

Zinc melts about 790F and vaporizes. The vapor is toxic. This is why you cannot use galvanized pipe as chimney connector for woodstoves but you can with oil and gas- lower temps.

As long as your...

Skytech makes thermostatic remotes with a timer function: https://www.skytechfireplaceremotes.com/fireplace-remotes/thermostat/skytech-3002-timer-thermostat-fireplace-remote-control.html Simple...

This is an application that calls for an engineer to design it. This is partially why smoke stacks are so tall and tapered. Any plume will knock down a good bit in wind. See the Gas Engineers...

NFPA 31 for oil-fired equipment does allow common venting/ interconnection of oil and gas IF: there are primary safety controls, the venting is sufficient for both, and, it works. The venting must be...

Refer to previous responses here. Read through the other threads.

Whatever brand is locally supported by the stove shop with qualified, certified technicians and are authorized agents for...

You're too picky and grossly overthinking the silicone to use. For the record, I use what we have on hand. Typically, the black is either a HomeSaver branded by the wholesaler or Rutland, because its...

At this height, yes, the outer wall will be warm to touch most likely. Honestly, I use the 500F rated silicone because I can get it in black or silver and it can still be used for other actual high...

Yes, the support shown by R600a is the correct part type. Just be sure to get the correct diameter. This support is secured typically to framing. It supports the pipe vertically and in two horizontal...

The B-vent must be installed to the listing and to code. The B-vent should incorporate a "draft hood adapter" to attach to the draft hood with 3 equidistantly spaced corrosion resistant screws. The...

Note that gas ovens are allowed to emit 800ppm under ANSI for a properly installed and operating appliance. Why so high? Because ovens typically don't operate more than about 3 hours, which they...

It's in ANSI Z21.11.2b for ventfree. That's the one main ANSI or UL standard I don't have a copy of. It is also published in the NCI CO course info. so Jim Davis could corroborate.

These ambient...

I think this is A.I. bot jabber. Those brands and models have nothing in common. Nobody publishes a rating of durability, efficiency and ease of maintenance. There is nothing 'easy' about maintenance...

There are two types of 'key' valves. Dante' btw, is just a popular brand name. The valve is either a ball valve, which is a quarter turn non-displaceable seat or a stem rising ground key valve that...

You should have stated up front that you had the instructions for that old unit. Those clearances changed with the next model revision. The subsequent units required 1/2" to the sides, 1" off the...

In all cases, refer to the listed instructions for your make, model and serial # fireplace. Some fireplaces change during production. Those old 6000's allowed drywall right up to the sides and across...

All Heat N Glo/GTI 6000 series fireplaces are listed at zero clearance to a combustible floor only. Everywhere else carries a stated clearance to combustibles. Why do you ask? What is your point?

Combustion air kits are required by the IRC. That doesn't mean they work nor does it mean you're going to get a ticket if you don't use it. They are useless, if not hazardous just as noted above.
...

Passive MakeUp Air (MUA) kits don't work per ASHRAE. They conducted a scientific study that proved them wholly unreliable. At best, with a -5Pascal pressure gradient, you might get about 12-14 Cubic...

You run combustion analysis prior to any dilution air such as a draft hood or baro. damper. You test for draft pressure downstream of any draft hood or baro. As Jim hinted, there are a couple of...

Check into the Fieldpiece SC680. It does everything an HVAC tech needs and more. The slim design allows it to fit in your bag or pocket, which you'll find is huge once you've experienced it. So much...

Read the directions. You should frame out for the firestop then insulate up to the framing. NO insulation inside the firestop assy.
HTH

Stated clearances are air spaces. No, do NOT pack insulation. It is a fire hazard. Moreover, you should be using a listed firestop assembly installed to the mfrs. listed instructions. What are you...

Most hearth appliances sold online void the warranty so do your homework.

The gas direct vent fireplace was invented by Ron Shimek in 1987, who founded Heat N Glo. They are part of Hearth N Home Technologies, the largest fireplace company in the world. They have excellent...

#1, follow the mfrs. listed instructions.
#2 When lighting the pilot, hold the control knob in for a full 60 seconds once the pilot ignites. If it still extinguishes when you release the knob, shut...

Are the pvc flues separate all the way to the atmosphere or are they common vented (connected)?

Thanks for posting this. I will discuss it with the UL Standards Technical Panel and NFPA 211 technical cmte. In the meantime, note Duravent still covered themselves by pushing back to the ANSI...

Typo- B-vent carries a 1" clearance to combustibles. Flying fingers typing.

Draft is simply the stack pressure differential With Respect To the CAZ air. Remember, "draft" is technically not mass...

B-vent carries a 6" clearance to combustibles. Single walled unlisted connector is 6" as you stated. If mfrs. are to continue putting their condensate ports on the front corners of coils, a tech has...

You need to figure out what is causing the negative pressure pulling air down the chimney before adding a useless hole in the wall. You need to ensure the upper envelope is sealed. Can ceiling lights...

5 y/o is their Intellifire IPI ignition. Always start with inlet gas pressure because the rest doesn't matter if you don't have gas to the valve. Can't really get into diagnostics on this public...

At 7 wci, you don't need any regulation for most equipment. Pipe it with a spool piece the size of the 325. When the system gets boosted to 2 psi, they can't turn it on until you have a MP regulator...

I used to sell industrial controls. I suggest you read through some Masonelian materials to better undersand valves, Cv, cavitation, etc.
HTH

These units are notorious for the ground wire corroding. A new ground wire to a clean attachment will usually do the trick.

This is Not a DIY forum.

We recommend you have a qualified tech replace the valve and pilot assy. with one approved by the mfr. if available. Do NOT attempt DIY repair and do NOT attempt...

They quit making that remote about 20 yrs ago. Just get yourself any basic battery powered on/ off remote and you're done. This is a DIY capable installation.
The red button on the remote receiver...

Cementing a barometric damper shut is usually a sign of weak draft. Note the counterweight is in the Vertical slot on a horizontal run. As noted by Steve, et al. More pics, info., and combustion...

What is the make and model of the fireplace?

What is the size of the chimney liner and material? It appears it may have been relined. Also, please provide a clear shot of the rating plate on your water heater and pics of the vent connector....

This is NOT a DIY site.

Ignition must occur within 4 seconds of a call for heat. The blue-ish flame may be a sign of a venting problem. Do NOT continue using this fireplace until repaired.