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I have a 10-story hotel with circulating hot water. I need to replace a section of pipe in the wall in both the hot and cold. I have a shutoff for each on the 10th floor and the water flows down from there. Do I need to just shut those off and let it drain, or do I need to find the return loop...

I am looking at a property with underground black poly piping from the road to the building. Is this a problematic piping like some other poly?

1960s apartment complex with 50 buildings and 750 apts. All original cast iron underground. If you have knowledge budgeting site plumbing for this type of project, please PM me.

I am looking at a house that has epoxy coated lines. It has a 10 year warranty. Does anyone have any experience with the long term reliability of this? I would think that it should be fine, but, does anyone have long term experience with this or similar Thank you! :)

Great point! I know that the 2,200 tank has a place to access and clean, but does a 1,000 gallon horizontal tank usually have an access port? Thank you for your insight.

I have a hotel circa 1980s with copper domestic hot water loop piping that is not leaking, but they have not treated the water and it is clogged everywhere - no hot water. They have been trying to fix it for a long time. I am thinking piping replacement, but as a first step, I should I...

commercial building Vent on flat roof too close to AC intake - can it be offset and moved on the roof. I know that we need to extend it higher first and see if that helps - how high can it go? 10'? If the extension still doesnt work, can I offset, with two 45s, to get it further away...

OK. Lets assume that there is one 1/2 hp on the hot water boiler and three 15 hp pumps for circulation. The 15 horsepower pumps, in this install, I would call heating hot water pumps. So, you are saying the 1/2 hp would be called a circulator pump. Not an inline boiler pump, boiler pump, or...

I did not mean to imply that you were not paying. If I did, I apologize. Please do not read into what I said in that way. I was just stating the facts and your rights. Many people do not understand what they really can and cannot do. Sounds like you are on the right track and doing...

Here is the deal, he is a contractor who has done work. He needs to be paid. So, you must pay him. You cannot, not pay him. Just as a babysitter may do everything wrong and almost kill your child, they must get paid - and then you can tell everyone not to use them. Personally, I would look...

With distributed hot water boiler systems, there is usually a pump located on the boiler. There is also usually a 2 or 3 pumps located near the boiler for circulating the hot water. What is the correct terminology for the pumps mounted on the boiler?

In an apartment complex with 20 buildings served domestic hot water from a central boiler in a recirculating system, is there a way to check periodically for underground leaks? Thank you!