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I was stupid enough to buy a few Honeywell components such as motion detectors without buying their main control. Mistake on my part. I had no idea that some companies unnecessarily complicate their sensors so they are less compatible with simple normally closed & normally open sensors. It...

There are some simple DIY Alarm systems that are cellular based. From what I have gathered you have to be careful to get a 4G system for the best coverage in the USA. Since the only time Voice or SMS minutes are used is for non frequent alarms ... it appears that...

JGinther, Actually, we have found that very "scratch capable sand" is what tends to be on the bay floor more so than just regular dirt. If small claims court &/or destructive social media occurs that video clip could be a "teachable moment" that 1.Customer must have some minimal ability to...

We used to use Warsaw for many years after Specialty went our out business. The nice thing about Warsaw the guy would come to service the whole Bismarck area ... as often as once a month. No freight charge. The sales-rep-delivery guy was very trustworthy but eventually he changed careers & it...

Getting back to the relevancy of the older vacs having more durable stainless steel (gauge thickness or other quality factor); Golden Eagle may even eventually have a better vacuum than some brand new ones if he finds a way to follow Randy & Earl's suggestion. We have four 1987 Doyle Vacuums...

Not sure if this applies & I could be wrong ... it seems some of the older vacuums had a heavier gauge of stainless steel throughout including the dome that they used. Possibly something to consider. Also some stainless steel could be better quality even if gauge was the same.

I am thinking that without a tank a tiny leak would cause continuous run ... albeit quieter & at lower amps-wattage.

Correct me if I am wrong ... but I am thinking that most of us run 7.5 HP & probably less than that. We have an 18+ year old Ingersoll Rand 2 stage piston 5 HP at our place as our main compressor. It uses a 60 Gallon tank which helps conserves ER space.

No matter what kind of air compressor (screw or piston), I am thinking that those of us with oodles & oodles of tubing & fittings ... we need to pay attention to even small hard to find leaks. We have always had our air compressors on time clocks (including any backup) during most of our daily...

Noob, For my "more than normal" extensive air lines within our bays ... we use an ultra sound detection air leak phone app with a type of automotive sound amplifier ... neither was too costly. I am thinking that with a little diligence you may find that it is just one repairable leak ... even...

Based on actual experience with combustion related devices' heat exchangers' ... I would focus more on minimum maintained GPM flow. Not sure if 2Biz is using them with his on demand instant units but we would not even think of running that part of the "at risk" system without reliable flow...

I have posted previous posts about the use of Spirec Heat Exchangers https://www.spirec.com/ with our facility's modular boiler system. To Soapy's point: Depending on the facility & configuration ... the deicer system can be isolated & a closed loop regardless of the combustion part of a...

Earl & others, When I suggest to my self service car wash customers to just put in a larger bill into the up to $20 bill acceptors ... it is just like a credit card ... you don't have to worry about anything ... all blue sky. I usually ... not always ... get a chuckle out of them.

Noob, It seems like the key difference is that boilers have more internal fluid internally which probably helps them once filled to keep up the heating ability longer. Some difference in controls might also be helpful though to accommodate the less or no internal fluid in the tankless! Both...

Dave & others, Have you checked with Kleen-Rite? Did any of your ChemQuest-Hobo Dog Wash Chemicals gradually get some slime form inside their pails ... especially during the warmer summer months? I wonder how long of a 1" diameter type M copper pipe left inside of the 5 gallon pail of dog...

https://aeroventic.com/attachment/download/1421 As a caveat ... a trustworthy HVAC Engineer may be needed to interpret the above pdf. Most of us far enough north or in high elevations know that there is a danger of tubing or whatever bursting from expansion if we don't have the proper ratio...

Sequoia, 2Biz, Noob, & others, Another thing that was not mentioned with Noob's project ... the needed density of the glycol also affects the BTU transfer. There are charts on the internet that shows the variation. So that would be another variable involved. You referred to your circulating...

I could be wrong ... but it seems like air would more likely show a problem in the tubing or fittings etc. Ours were tested with air. We used silver solder on the 2" type K copper portion that Huron Valley's blueprint recommended. I had to go back & redo some of my brother-in-law's silver...

Noob, 2Biz has some previous thorough posts that also show a nifty way to keep the pump cost down that could apply to yours depending on your specific elevations & the square footages etc.

Noob, you mentioned & your pic shows you have 3" PVC. I would say like Soapy said 4"-6" PVC was his choice. We have 4" PVC & cut & pop riveted continuous stainless steel hinge. We are forced to run with the doors closed during below freezing because of competition in our area. So why should...