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I wouls like to see a pic. Usually Trane spilt systems are spined fin with aluminum tube. There package units are a mix of microchannel with plate fin and copper tube. Sent from my SAMSUNG-SM-J320A using Tapatalk

Well if the units are all 208/230 single phase or three phase nowhere. Just need hots and grounds. There are some 115 VAC units they would need the neutral. Other then that not sure. Sent from my SAMSUNG-SM-J320A using Tapatalk

10-4 that. Sent from my SAMSUNG-SM-J320A using Tapatalk

This valves are not rebuildable. It needs to be replaced. Sent from my SAMSUNG-SM-J320A using Tapatalk

I have been in the HVAC trade for 25 years. You will probally have problems when the ambient temperature gets above 85 degrees. You may run into problems with the unit shutting down on high head pressure. As the prevoius poster said metal fatigue could crack and start to leak. The coils are...

Ok guys some times this why you would want to consider using an expert. You CAN NOT use R12 or R134a gauge sets. The gauge manifolds needs to rated for R410A. Reason being r12 condensing at 80 deg is at 80 psi r134a at 80 deg condnesing is 85 deg and r410a at the same is 230 and can will be...

the little giant is not as good stick with the gobi. if you use mitsubishi an install per their installation instructions you will not have oil return problems. Sent from my SAMSUNG-SM-J320A using Tapatalk

What he said. wood stove Sent from my SAMSUNG-SM-J320A using Tapatalk

you will need 1 1/4 line for 7" wc. that is typical in the use. Only industrial buildings would have higher pressure for very large applications. Sent from my SAMSUNG-SM-J320A using Tapatalk

Use a Gobi pump for that application. Sent from my SAMSUNG-SM-J320A using Tapatalk

There is one manufacture in the US called EMI Enviromaster International out of Rome NY. I use to install was very good equipment and they backed there products very well. They fell behind the technology curve so i had to change to keep up with the market. Sent from my SAMSUNG-SM-J320A...

I only use fluke true rms meters. still have the first one i bought about 20 years ago and works like a champ and can still be calibrated. Sent from my SAMSUNG-SM-J320A using Tapatalk

1. It is a standard pratice to install line sets in a wall. Same maintemace issue you would have with any other lineset if it were to start leaking. the concern i have trying to install a line set for miniductless is tearing of the pipe insulation. the small line or liquid line as we call it...

Arc fault is required in bedrooms in CA. 20 amp breaker 20 amp outlets. Look in the NEC National electric code also known as NFPA70 codes concerning electrical installations are based on this. 20 amp breaker with #12 AWG wire 15 amp outlet fire hazard. :shocking:

If the compressor motor is single phase 2 pole all you will need is a fused 2 pole disconnect such as Lowes item number 92606 Square D p/n L211N . Use fuses sized to motor amps. You can find that info on the name plate of the compressor motor. Single phase motors have built in overload...

I will take four one for each tire. LOL

They have two stage in the 3 brands I listed. Not bad pricing for the most part same price or a little cheaper then my wholesalers here. I think they have free shipping right now.

Mini ductless is very efficient and can last as long as the system you currently have with proper maintenance. The big advantage is your existing system is say 3 tons to cool the whole house you will need to run at full load when you are sleeping to keep the bedrooms cool or heated. Lets say...

I would not sell you either one both are ****. Lennox poor design and Trane uses aluminum tube and fins. Get Carrier or Rheem.

I am HVAC contractor close off supply registers close to the furnace if air flow does not increase to the room then duct is to small and needs to be upsized. The joints on the duct can be sealed with duct sealent they sell it at home depot applied with 3 inch brush. Do not use tape it will get...