It is important for installers, maintenance, and property owners to note the following.
- California requires pressure regulation for sprinkler spray bodies manufactured on or after October 1, 2020
- Washington requires pressure regulation for sprinkler spray bodies manufactured on or after January 1, 2021
All Hydro-Rain HRS-200 spray bodies with EPA Certified adjustable pressure regulation were manufactured on or after October 1, 2020. Prior to October 1, 2020, Hydro-Rain sold fixed pressure regulating sprinkler spray bodies.
Most Hydro-Rain case labels come with the date code along the bottom of the sticker.
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Sprinkler spray bodies have the date code molded into the bottom of the can. The arrow points to the month and the two-digit year straddles the arrow.

Shrub Adapters have the date code molded into the side of the base. The arrow points to the month and the two-digit year straddles the arrow.

