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fitter30's latest activity
F
fitter30
replied to the thread
Question about Converting R22 to R32
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Nothing wrong with flushing a line set. Insulation outside should be wrapped with line set wrap to keep it from deteriorating. When...
Wednesday at 4:55 PM
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fitter30
replied to the thread
Geothermal Heat and A/C for 10,000 sqft.
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HDPE polyethylene pipe is recommended. Geo system is the most efficient. 45-50° ground is is more efficient to pull heat out of the...
Sunday at 1:27 PM
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fitter30
replied to the thread
Electric motor surging and popping the breaker
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Might want to pull the end bells blow out windings and centrifuge switch could be packed with saw dust.
Jul 23, 2026
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fitter30
replied to the thread
Minisplit capacity case study
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I've got a 2- 24k 3head units. 5 - 9k wall and 1-9k duct. 1/4" and 3/8" lines For 1900 sqft house. Southern Missouri gets down to...
Jul 21, 2026
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fitter30
replied to the thread
Is a DOB relay at the condenser recommended for a residential split system?
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Most if not all electronic termostats have in their program a setting for 5 minute timer compressor off. Most scroll style compressors...
Jul 20, 2026
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fitter30
replied to the thread
Does this air compressor look like it is worth trying to save?
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By pulling the intake filter and putting the palm of your hand blocking the port turn on the compressor just for a few seconds. This...
Jul 19, 2026
F
fitter30
replied to the thread
Help With Mr Cool Universal - Failed Fusible Plug
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The equipment made today with enhanced coils both evap and condenser are critical charged. List the factory charge and extended line set...
Jul 18, 2026
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fitter30
replied to the thread
Garage Mini Split Installation Debrief
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Valves at the condenser are shipped closed. After lines are connected most manufacturers want 500-600 lbs of nitrogen pressure for 4 to...
Jul 17, 2026
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fitter30
replied to the thread
unloading/moving a 60 gal compressor
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Skidsteer with forks and rubber tires would fit inside a garage. Would have head room problem of a fork lift and with rubber tires...
Jul 17, 2026
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fitter30
reacted to
MovingAlong's post
in the thread
unloading/moving a 60 gal compressor
with
Like
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Wait a minute, that wasn't helpful.. Your center of gravity is simply way to high to move it safely across a garage floor on a...
Jul 17, 2026
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fitter30
replied to the thread
Tale of two start capacitors. Why is the US-made one so much smaller?
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Shape and size of the same uf or voltage doesn't make one better than the other. Manufacturers use smaller caps to fit in a tight...
Jul 9, 2026
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fitter30
replied to the thread
Question about superheat.
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Super heat only works with a expansion valve. Bulb has to tight ( stainless hose champ) to the suction line at horizontal line 10-2...
Jul 7, 2026
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fitter30
replied to the thread
Old school residential HVAC tools
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Still have one with 1/3 hp 1750 rpm has a handle made fron 1/2" rod stock that my older brother used after trade school in 1971. Used it...
Jul 6, 2026
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fitter30
replied to the thread
Condensate drain questions
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Who knows what's is in condensate? Mold spores from the pan and house dust. Wouldn't use it with out filtering something for the spores.
Jul 6, 2026
F
fitter30
replied to the thread
Heating/Cooling shop
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Have very rarely use coil cleaner of any type especially ones that brightens. The reason is every time its used just a little bit of fin...
Jul 5, 2026
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