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I spoke with Hart and Cooley, the company that makes the B vent that supplyhouse.com sells, and they told me what I can use, which is just a piece of single wall adapter from home depot.

Does anybody know what kind of adapter is needed to go from the B vent to the Modine terminal cap? Also, Anybody know what is the best way or product to seal between the vinyl and the pipe? Thanks.

The ceiling is 5/8 firecode x. I decided to do the same on the walls. The sheets are a touch cheaper than 1/2 inch mold resistant and I am going with the idea that they will be more durable. So, I will remove the one sheet of 1/2 inch mold resistant and proceed with 5/8 x code for the whole...

I am now unsure of the sheetrock. I put up one sheet of 1/2 so far, so I can stop and change. But, I see quite a mix of people using 1/2 and others 5/8. This is a detached garage. The 1/2 that I bought was the mold resistant green board. It looks like 5/8 firecode x is essentially the same...

Thanks guys. I can't see how it would be cheaper for someone to do this rather than myself. But, I am certainly willing to pick up the phone and make a call or two. At the moment, I have to do the corner that I hung the heater in. So, I will get the r21 at home depot for that. Thanks.

I have 2x6 construction. A modine propane hot dawg is on the ceiling. The ceiling is r30 batts with 5/8 sheetrock. I believe the walls will be 1/2 inch sheetrock. But, what R value should I chose? I am looking at getting the insulation from home depot. This is a detached garage that is...

Well..... I was wrong on that. From the siding to the end of the gutter is 17 inches. Soffit is about 5 inches closer than that. So, I guess I now need any wordage about soffit specifically. The b-vent has a 1 inch clearance requirement, according to the manufacturer.

The b-vent has to terminate a minimum of 15 total inches from where it exits the building. See the pic below. I am not sure how many inches the soffit overhangs. I will find out. But, it is definitely less than 15 inches. So, the vent exit will certainly be beyond the soffit. I will...

Thank you to all. I have Hart and Cooley B vent and they say it needs to be one inch away from combustibles.

The manual calls for B vent when using the concentric vent kit. I am using the Modine concentric box on the inside. B vent is definitely required for this. The outside will have a 6 inch single wall pipe and within that pipe, the B vent will run as well...

I am not worried about extending the pipe out beyond the soffit. I was wondering if there was a distance it had to be from the soffit. I am using a concentric vent setup. So, the 4 inch b vent will be inside a 6 inch pipe. I will have about 3 1/2 inches from top of the pipe to the soffit.

I will look at the document closer when I get back home, but I do not think it even mentions soffits. But, I am not talking about how far out beyond the soffit, I am talking how far below the soffit can the B vent run.

I have the heater hung to the sheetrock and a 1/4 inch per foot down pitch for the interior pipes. This puts the concentric box at a height where the exterior pipe will come out a few inches below the overhanging soffit. Is there a required distance from the top of the exterior pipe to the...

Hey guys, I can use some help on deciding which elbows to use to attach the pipes. They make a galvanized and an aluminum. I will link them. I have 4 inch b vent going through the box and then and adapter that allows regular 4 inch pipe to attach to the 4 inch b vent on the inside wall. But...

It looks like there are enough videos of hole saws through vinyl siding on youtube. The key seems to be cutting through the vinyl in reverse. So, next planning issue is: would you mount the concentric box directly to the sheetrock or mount it to wood or superstrut on then to sheetrock? On...

Thank you. I will check out that thread later this evening. I will have to make a nice cut through the vinyl siding and plywood to get to the interior.

I greatly appreciate everyone's help on this. I have a simple question at this time. The largest pipe going out the concentric box is right at 6 inches. Am I using a 6 inch hole saw and start from the outside and then sand a little here and there if it needs massaging. Or am I using a 6 1/8...

Great contribution!!! Thank you so much. I was thinking I would see if I could use flex vent pipe for the intake. Thank you for that.

Thanks Thammel. Would you mind posting a pic or sending me one to my messages? I found these two videos that should help myself and others in the future with the Modine setup. Thanks.