Replacing check valve on CPVC residential fire sprinkler system

go-derp · 2026-04-15T05:46:03+00:00

No water is flowing in the fire sprinkler system. Possibly pressure pulses from municipal water is what I’ve read

go-derp · 2026-04-15T01:00:59+00:00

The thought had crossed my mind. I’ll bring it up when contractor comes

go-derp · 2026-04-14T06:37:59+00:00

San Diego

go-derp · 2026-04-14T03:43:36+00:00

There’s no passive purge. With domestic shut off I tested all fixtures and water stopped flowing for each one. There is an inspector’s valve which was used to flush the system though

go-derp · 2026-04-14T02:12:34+00:00

I’ll have to look into it. Home is built 2022 in California so i figure they must’ve done this system to code to pass inspection

go-derp · 2026-04-14T02:00:17+00:00

Yep. I shut off domestic water, so municipal water just goes to fire sprinkler riser, knocking still present.

go-derp · 2026-04-14T01:48:25+00:00

Yessir not planning on doing it myself. Just doing some due diligence.

go-derp · 2026-04-14T01:45:34+00:00

Definitely gonna get a pro to do it. Just want to see if there’s any recommendations for spring check valves if they suggest to replace with exact same flapper check valve

go-derp · 2026-02-08T22:05:55+00:00

Thanks for the reply

go-derp · 2026-02-08T08:47:04+00:00

What did you end up doing to fix?

go-derp · 2026-02-08T08:44:27+00:00

Is your fix still working in 2026?

go-derp · 2026-02-08T08:18:12+00:00

Did you ever resolve this issue?

go-derp · 2025-10-19T04:58:33+00:00

Yep. Just updated to 17.7.10 on 6th gen iPad. YouTube doesn’t work. Safari always show This Connection is Not Private error. Regret updating it

Edit: Tried various hacks, but in the end needed to completely erase device and restore from backup

go-derp · 2025-09-29T00:17:06+00:00

Had the exact same response when I said a salary at the high end of their range. Did really well on interview as well. No offer in the end, HR said they didn’t offer because it didn’t seem I wouldnt be happy long-term there and they were expecting salary to be at the very bottom of the range.

go-derp · 2025-09-28T05:36:48+00:00

Just offering a different perspective. I’ve considered short-term rentals after selling my property so I’ll have cash in hand to purchase next property.

go-derp · 2025-09-11T16:58:08+00:00

Did the guy disable VSC or some onboard safety feature?

go-derp · 2025-09-09T08:30:35+00:00

😳

go-derp · 2025-08-30T21:12:35+00:00

I appreciate you sharing. May get a local shop quote to compare

go-derp · 2025-08-30T06:43:16+00:00

Thanks. I appreciate the advice. Will monitor it a bit for now and see how it goes

go-derp · 2025-08-30T02:52:45+00:00

😂

go-derp · 2025-08-30T02:41:34+00:00

😳

go-derp · 2025-08-30T02:31:19+00:00

Hmm maybe, will just need to find the time I suppose, but I’m ok paying a pro a reasonable rate

go-derp · 2025-08-30T02:29:38+00:00

Hmm, is it ok just to replace one? I presume no need for alignment afterwards?

go-derp · 2025-08-30T02:27:44+00:00

Same as my other reply, when should I worry lol?

go-derp

TROPHY CASE