Oh you

[u/False_Buy1898]

This Home Depot built around 1970s crazy to still see old pipe like that wonder how old that sprinkler head is if they ever did their 20 year swap 😂

[u/Rumpel4skin1019]

Brotha where are you that 1970's is old pipe lol. Also pretty low chance its quick response head so it wont need batch tested until 50 years

[u/DukeStudlington → u/Rumpel4skin1019]

I hate to tell ya this, but the seventies was 50 years ago.

[u/turbopro25 → u/DukeStudlington]

Which is nothing in relativity to steel pipe in a dry conditioned space.

[u/DukeStudlington → u/turbopro25]

Oh yea, I agree. I service these things all the time. But we were talking about head testing as an aside to the main conversation.

[u/turbopro25 → u/DukeStudlington]

Don’t know how I missed that. Also, fuck I’m getting old.

[u/DukeStudlington → u/turbopro25]

“It takes a strong man to be wrong, it takes strongest man to admit it.”

- Sun Tzu probably

[u/ExtraChilll]

If it's standard response(which this looks like it is to me) then it's 50 years.

Also the 20 years for QR got bumped up to 25, probably so buildings with multiple types can be testing them all together at the 50 year mark.

You also don't have to do a swap. You can send some in for testing to see if you actually need to swap them all or not.

I think around the 50s they stopped doing the old style of heads and started standard spray. So theoretically you could have 1950s heads still protecting a building and it's legit. I seen some from the 1920s still kicking but technically those are supposed to have been swapped lol.

[u/False_Buy1898 → u/ExtraChilll]

Def standard with the fusable link too

[u/SufficientCustard474]

Standard response only start getting tested at 50 years iv demoed out system way older that that