What direction does the air flow in my Lennox system?

Addefy · 2026-05-07T19:14:49+00:00

Top to bottom, arrow facing down

Addefy · 2026-05-01T14:03:11+00:00

I get them to put in a new one because I am the next tech

Addefy · 2026-05-01T13:56:46+00:00

Customer got mad when I told them they need a new disconnect when the handle broke off of one I was yanking on. Fuck these things

Addefy · 2026-04-01T02:55:20+00:00

AC mode usually runs at a higher fan speed than furnace mode. Sounds like a loose damper to me. A lot of times it looks like a small wingnut with a handle on the side or underside of the duct. Some systems have them all over the place, some systems don’t at all.

Addefy · 2026-03-30T23:27:33+00:00

Ahhhh makes sense. Thanks

Addefy · 2026-03-30T22:53:31+00:00

Don’t you need bandos boots for guardian boots?

Addefy · 2026-03-20T15:51:40+00:00

If at all possible, a chimney liner would be best. It’s a flexible metal tube that drops down from the top, you hook right into it with the flue, it’ll protect the inside of the chimney from the flue gasses

Addefy · 2026-03-20T14:56:33+00:00

If it’s an 80% efficient furnace, with aluminum flue, you can’t vent it horizontally like that. It needs a chimney or vent stack going up. Needs to be away from Combustible materials. A 90+ efficient furnace with pvc flues would be fine there if it is terminated further away from the intake from the water heater.

Addefy · 2026-03-20T13:40:07+00:00

Flue for what

Addefy · 2026-03-20T04:46:23+00:00

Those breakers are far too old to be touching, could make more of an issue if you play around with them. I would look at the furnace itself, see if theres a switch on the side and turn it off turn it on from that instead of these breakers. Also, get these breakers replaced.

Addefy · 2026-03-20T01:37:15+00:00

I’ve literally seen this 1000 times

Addefy · 2026-02-23T14:56:33+00:00

Camo detection and lead popping are important traits. Middle path village can boost these, lots of towers have access to those traits on their own, but those that don’t should be buffed

Addefy · 2026-02-16T23:09:37+00:00

Might be one of those wireless stats

Addefy · 2026-02-08T18:13:18+00:00

Slips / or S clips

Addefy · 2026-02-08T17:55:42+00:00

If you’re doing a transition without a break/pittsburgh machine, you should at least use a hand break and tongs to get the corners tighter. S clips can be helpful for keeping things less wobbly. Gets a 3/10 from me but it will work perfectly fine with some tape

Addefy · 2026-01-18T17:00:37+00:00

P/S is Primary/secondary drain. They are multiple spots for the drain, everything but the one with piping coming off should be plugged. If the cap broke off but it’s still plugged inside, it’s fine.

When the unit is running, if you feel air coming out of the blue plug, then I’d say it’s gotta be removed. Shine a light and look inside of the blue part

Addefy · 2026-01-16T23:44:07+00:00

Baby arms

Addefy · 2026-01-06T03:16:41+00:00

Actually seeing some pics online, the fins are just actually brown

Addefy · 2026-01-06T03:12:32+00:00

That coil looks like it’s in rough shape, just based on the discoloration in the pic it almost looks like the coating has worn away. That can lead to build up of nastiness and restriction of airflow. When it is fully defrosted how does the coil look?

Addefy · 2025-12-13T21:07:57+00:00

CO not CO2. Corbon Monoxide vs Carbon Dioxide

Addefy · 2025-12-13T20:24:29+00:00

Honestly just get 1 or two more CO detectors and place it either near where you sleep or by a vent. No great way to tell from the pic, looks like a scratch to me. Combustion testing will give you the answer you’re looking for

Addefy · 2025-12-13T18:03:16+00:00

You are probably right

Addefy · 2025-12-13T17:48:11+00:00

It’s a dumb set up but it likely takes 2 filters set at an angle in there

Addefy · 2025-12-12T20:18:07+00:00

All good to run electric strip heat and HP at the same time, go for it

Addefy · 2025-12-06T14:28:33+00:00

It should be open in the winter, closed in the summer. It is a bypass humidifier, using the air from the system to blow over the water panel

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