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13D system and pressure regulators/reducers

13D system and pressure regulators/reducers

13D system and pressure regulators/reducers

(OP)
Hello,


What's your thoughts on PRV's/regulators on 13D systems? I know 6.5.3 talks about water softener's, etc., but what about PRV's? I would imagine, the friction loss should be taken into consideration anyways, but should the sprinkler piping be tied in upstream of the regulator anyways to be safe? I know there are a lot of "what ifs"...like if they adjust the PRV setting way low which now could affect the flow/pressure requirement for the two head calc, or what if they install a different PRV later on with a different setting? Am I reading too much into this or am I justified in being a little concerned? I know a majority of houses will use a PRV of some kind to regulate their domestic water anyways.

Thanks.

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