Questions tagged [backflow-preventer]
The backflow-preventer tag has no usage guidance.
12
questions
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votes
1answer
35 views
Is a back flow valve needed to attach a washing machine?
I want to attach a washing machine to my apartment's water supply.
The washing machine is simple and has one inlet and no internal heater. The apartment has both hot and cold water.
I plan to attach ...
0
votes
1answer
57 views
How to connect to black underground sprinker pipe
My backflow prevention device failed over the winter (nice large split, as you can see). I checked with the local city, and they won't let me replace like with like, so I'm going to install a Wilkins ...
1
vote
2answers
62 views
Is my irrigation system winterized properly?
I had a sprinkler specialist come over today to winterize my sprinkler system. I live in northwestern oregon (portland) and I'm trying to figure out if he properly winterized the system or if I need ...
1
vote
1answer
63 views
Can this water valve be replaced as a separate component?
Crack in bottom part of backflow preventer can you just replace this part or do you have to buy entire unit??
Thanks,
Eileen
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votes
0answers
56 views
Irrigation system: Backflow Preventer -> Master Valve vs Master Valve -> Backflow Preventer
I am in the process of designing my irrigation system, and I saw many people install the backflow preventer (reduced pressure zone device) first and then connect to an automatic master valve.
However,...
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0answers
22 views
access to backflow preventer assembly
My backflow preventer assembly access is in my basement and its right below the proposed vanity space in our proposed basement bathroom.(we have planned a 48 inch vanity , but if i cut down to a 36 ...
0
votes
1answer
114 views
What type of Piping for Reduced Pressure Backflow Preventor for Irrigation System
Looking into installing a above ground reduced pressure backflow preventor for my irrigation system. Looking at many examples and videos online, I saw different types of piping from PVC, Copper and ...
0
votes
1answer
423 views
How to prevent the washing machine outlet from backflowing to other devices
I have a washing machine that drains into a sink standpipe.
I also have a clothes dryer that drains to sewage or greywater plumbing.
When I connect the two via a T-piece with the dryer inlet at the ...
3
votes
1answer
168 views
Why did my febco backflow preventer fail?
I'm working as a handyman for a non-profit, and they have an in-ground irrigation system that has been off for a while because "there was a geyser."
I successfully determined that the geyser was ...
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0answers
256 views
Reinstalling backflow preventer. Do I need glue or grease or anything else
I am going to reattach my backflow preventer today (save 125 vs calling company). Do I need to apply any plumber grease or pipe glue to the pvc portion? Here are some pics of the preventer and place ...
0
votes
2answers
1k views
Sprinkler System Low Pressure
Is there a way to determine if my sprinkler system has a pressure regulator installed?
My neighbor and I both built our houses with the same builder at the same time, but had different landscaping ...
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0answers
279 views
Is my vacuum breaker working properly?
I am in a newly rented house around 1 week and I don't know a thing about plumbing (not yet and I love projects for DIY).
So my question is regarding this: I find this attached to the outdoor pipe ...
