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Old 12-21-2010, 06:12 PM   #16
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Need help fast please re hydronic boiler water supply and backflow


Coldiron,

Leave the irrigation boy alone. He took a backflow class got a little certificate, and now knows everything. He has unlimited experience in everything, I'm sure he has the cure for cancer too.

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Old 12-21-2010, 06:28 PM   #17
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Need help fast please re hydronic boiler water supply and backflow


Waterguy,

For your information. A dual vented check valve is completely code for a boiler running domestic water only, it is a "low hazard". If it is a glycol system "high hazard" it requires an RPZ.

As for other posts, they are right the odds are low that backflow will occur. The odds are low you will win the lottery. I'm not saying it can't happen no one else said it couldn't happen, they stated that there was no need to panic that second. Everyone said did it ASAP. The OP wanted to know options and opinions, we gave him options and opinions. Maybe you should actually get a boiler, plumbing, or mechanical license and work in those fields maybe you could learn something. Or maybe you should keep your condescending self in people's yards and keep the grass green.
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Old 12-21-2010, 07:27 PM   #18
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Need help fast please re hydronic boiler water supply and backflow


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Originally Posted by work4living View Post
waterguy,

for your information. A dual vented check valve is completely code for a boiler running domestic water only, it is a "low hazard". If it is a glycol system "high hazard" it requires an rpz.

As for other posts, they are right the odds are low that backflow will occur. The odds are low you will win the lottery. I'm not saying it can't happen no one else said it couldn't happen, they stated that there was no need to panic that second. Everyone said did it asap. The op wanted to know options and opinions, we gave him options and opinions. Maybe you should actually get a boiler, plumbing, or mechanical license and work in those fields maybe you could learn something. Or maybe you should keep your condescending self in people's yards and keep the grass green.


brutal!
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Old 12-22-2010, 05:56 AM   #19
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Need help fast please re hydronic boiler water supply and backflow


Irrigation expert or Heater expert??????????????????????????????
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Old 12-22-2010, 10:21 AM   #20
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Need help fast please re hydronic boiler water supply and backflow


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Originally Posted by Work4living View Post
Waterguy,

For your information. A dual vented check valve is completely code for a boiler running domestic water only, it is a "low hazard". If it is a glycol system "high hazard" it requires an RPZ.

As for other posts, they are right the odds are low that backflow will occur. The odds are low you will win the lottery. I'm not saying it can't happen no one else said it couldn't happen, they stated that there was no need to panic that second. Everyone said did it ASAP. The OP wanted to know options and opinions, we gave him options and opinions. Maybe you should actually get a boiler, plumbing, or mechanical license and work in those fields maybe you could learn something. Or maybe you should keep your condescending self in people's yards and keep the grass green.
Sorry if I sounded like I was condescending, but for years I keep hearing different opionins about what should and shouldn't get installed onto a domestic water supply. The fact is that with the Clean Water Act each state has been mandated by the Federal Government to deliver clean water to it's customers. The state has mandated (in most cases) that the water from municipal supplies or water districts has to be clean upon delivery to it's clients. In most cases the municipalities or the water districts are the ones that write the code for keeping the water clean.

I just get a little riled up when some of you so-called engineers, who I figure should know better, are suggesting to the OP that he should install the cheapest backflow device that he can find and not re-install an RPZ, or should install a DCVA because that is what he has.

The fact is, he already has an RPZ on his system now. Someone installed it for a reason when the boiler went in. So my first thought is that he probably needs and RPZ on his system. Not a DCVA, not a dual check, not a dual vented check valve, it was an RPZ. The OP was asking for opinions, and all of you gave him your opinions, but most of them did have some information missing. I do know that some boilers only need a dual vented check valve, amd I know that some boilers don't need a backflow device at all.

The point is, that you should check with your municipality or water district for your code for backflow prevention, and not a DIY forum wher you have a lot of very well intentioned people that are trying to save a few bucks.

And yes, I wanted more information, and I wanted that information to be accurate. I did take a course, and yes, I did get a little certificate. Did you? No I don't have a boiler, plumbing, or mechanical license. Do you? I don't have a plumbing license, but I was trained in this sepciality, and do work with these guys side by side every day, and they are the ones that ask me questions about backflow. They know that they don't have all the information, and I know that I don't have all the information, but we work side by side to get the job done to code.

And sorry, I don't know how to cure cancer. I haven't taken that course yet.

Mick
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Old 12-22-2010, 10:24 AM   #21
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Need help fast please re hydronic boiler water supply and backflow


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Irrigation expert or Heater expert??????????????????????????????
Irrigation Contractor, and Certified Backflow Assembly Tester - but always open to learning more.

Mick
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Old 12-22-2010, 07:01 PM   #22
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Need help fast please re hydronic boiler water supply and backflow


Waterguy,

I understand your point. I get the same way. Please try to not make it personal people have pride, ego, and feelings too.

No one is tryin to diminish your expertise. It is true that people do things differently, not to mention being governed differently.

Yes, I am backflow certified. I'm also a master plumber. I have a class 3 boiler license, and a master mechanical license. I do not know everything and I'm learning things everyday. The truth is I have a hard time keeping on top of it all.

I agree with the mandates, however in my 29 years of being in the biz, I've seen alot. I have also made my fair share of mistakes.

You have to admit that the conditions have to perfect for backflow to occur, truly a lot has to go wrong.

Even with that being said, I personally would choose caution over chance. I'm comfortable with someone limping by temporarily, and am sure the plumber that was there knew the conditions and decided the OP could get by too.

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