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I don't get it - how can Johnstone or United provide an OEM Rheem or OEM carrier or OEM Trane motor?

Isn't a rescue ECM as good or better than an OEM and at slightly less cost?

signed,...

Barefoot flyer -- maybe he should have pulled the breaker first?

IS it time to clean the coil yet? :whistle:

The search engine on this website is very weak bordering on useless. I search for "combustion analyzer" and get a reply like "search terms too complicated" or "too many words" which is not a whole...

Well I guess I can understand it ~NOT~
like General motors hiding their corporate identity on all of their documentation because Cadillac and chevy and gm all share the same hardware so you should...

The Rheem installation manuals for the latest split units has no mention of the manufacturer. Even on the drawing name blocks in the back there is no mention of name of manufacturer.

Except in...

Thanks Wayne I'm going to put that in my brain and let my three brain cells grind on it for a while. I think I'll move downstream and estimate losses for the intermediate transition. OH YEAH !!!...

I just measured the ESP of my home unit and got 0.06 wc pressure supply side and - 0.56 return side for a total of 0.62"wc TESP

I don't believe the supply has only 0.06 wc pressure drop but it is...

If you traverse the duct measuring both dynamic pressure (velocity) and static pressure then you will find variations of both across the duct. Near the wall there may be a thick boundary layer...

I haven't studied blowers much but centrifugal pumps put out full head when running in reverse at zero flow but when you try to let it flow then the head drops right off.

The job that keeps taking,,, taking... taking

Mr. Summer Heat Sir kicked me in the ribs today but not too bad. Working on a solar pool heater on west facing 12x12 roof. I took lots of breaks "I love this job because I get to take lots of...

Coffee in the morning,
Beer at night !!!!

Thank you everyone, it's nice to know all about the Coremax.

What tool do you use to remove valve cores from Goodman resi units? Everyone I talk to says they never saw one. The Goodman dealer said he special ordered one from the factory but couldn't find any...

Looks like thishttps://uploads.tapatalk-cdn.com/20190913/bbdbed112cd3510c2f8c04c0d506d1e1.jpghttps://uploads.tapatalk-cdn.com/20190913/ba2528e9c28c4816def6bab507cf580f.jpg

Sent from my E6810 using...

OK computer (user) issues so here is a description:

Product comes as individual powder packets in a big sealed bag from costco.
"Liquid IV" "Hydration Multiplier"

Later Gator

Ga-hvac-tech --
I drink water like a fish and get nervous if I "don't have a gallon of water by my side. I keep a 5 gal igloo water thermos inside the primary rear door of my van and keep it full...

I pay half a hundred dollars to change out a recovery tank whatever was in it. I always think I'm going to get a break because my recovered refrigerant is as pure as I can make it.

It definitely...

1/4 liquid line holds 0.22 oz/ft says LG

The LG multi head condensor does not have service valves on each head so I had to recover the full charge. I recovered 10 pounds compared to about 6.5 pounds total required charge. Had to move the...

I should be studying instead of posting but since my knowledge as well as my brain is in the gutter right now I'll just say --
I have never seen how much of a charge an evaporator coil or a...

When I change out a single head on this four head mini split reckon I can pull the charge into the condenser for that single head. Then recover, replace unit, leak check, evacuate... viola!

It is...

I'm wondering, is it more accurate to calculate airflow by running the heat strips?

-- Measuring heat strip V and Amps to get power then measuring unit (bulk average) temperature rise and...

black pepper and an egg white?

This company has good gloves. I like my milwaukee gloves but bought a bunch of these for their lower cost, ansi and international specifications. I got a bunch of the yellow ones and you can pick...

Thanks for that insight KMorley - anytime you're melting metal it's a science i reckon.

When I use the A8 on 3/8 with AC alone it is perfect. After your comment I will get a couple more tips.
...

I've been using a 8A tip and it takes a long time to braze 7/8 next to fittings. I don't have a lot of experience but that's what I was taught to braze with so I stuck with it. Definately not as...

How can you tell when it is time to replace the water filter on the nose of a leak detector? My personal detector is a Fieldpiece but I assume most brands are the same.

Check out these wirenuts - from puny thermostat wires to three number twelves all in one wirenut. Don't need to worry about orange, yellow and red so much anymore but still need a few of each. ...

Got tired of dull drill bits so now I carry these Titanium nitride bits in the old $10 black oxide case in my tool bag.https://uploads.tapatalk-cdn.com/20190610/b1691c49ecb9c2d9d083bb5d6670bd04.jpg
...

The built in wirecutters let me cast off two other wirecutters in my tool bag. Downside= $35https://uploads.tapatalk-cdn.com/20190610/b1e3f4ace1db7f8ff78c12c11296941b.jpg

Sent from my E6810 using...

I liked this one so much I had to bring it into the off ice to show it off (pic on next post)

I thought DEET was the answer. I love how it makes my tongue tingle even when I only spray it on my legs.

The harder I work the luckier I get!

A stack of 4X8 sheets of plywood or a few stacked 4X8 solar thermal collectors can be slid in on the floor under the shelves.

I didn't time the build time - I did a lot of design as you go. The hardest part was getting the bulkheads to match the contour of the sides of the van as they are all different. Here is a link to...

That's enuf bandwidth for...

.https://uploads.tapatalk-cdn.com/20190522/e7e6ea4dd069c4b82e69a82ba9a40ff1.jpghttps://uploads.tapatalk-cdn.com/20190522/17d9d8e0ddef03e39a64bbd192ca9125.jpghttps://uploads.tapatalk-cdn.com/20190522/f...

I put this together before I got my business...

That's a good question regarding a black bottom pool. How much light is reflected from the surface vs how much light is reflected from the bottom... Of course the light that makes it to the bottom...

Once you install that propane heater you should consider a solar heating system as the payback period would be on the order of 5 years or LESS, in other words, a 20% annual return on investment.

As far as using a solar heater the surface area of the solar collector would need to be at minimum 1/2 of the surface area of the pool. Another important tidbit is you will significantly reduce your...

That reminds me of one time I was near Wash DC taking a short course on magnetic bearings and while taking a walk after sundown around the hotel I came across some dignified foreigners in a fancy...

I unblocked everything but still can't "like". Well guess I didn't unblock everything to everybody in the whole world but close to it.

Air will leak through every electrical outlet, every switch plate, everywhere a plumbing pipe passes underneath the kitchen countercounters, every drain pipe through the floor.

The air will enter...

crude rule of thumb for you would be to never cut out more than one third of the width and keep the hole in the center.

Go with solar and a LP backup. Family of 6? => Four flat plate collectors 4X8 ft will be more than adequate for hot water. In Massachusetts you get 15% tax credit to add on top of your federal...

Looks good Anthony - the van is a constantly improving toolbox and if you don't like your latest mod then you can change it up to the next level whatever that may be! Keep it up!

I sure am looking forward to AHR in January! Tried to fly to Orlando last year but got stranded in Charlotte and never made it to the show. Got all my fees refunded. This year I'll be driving and...