100-Series Valve Diaphragm Except Anti-Siphon 57045

Name: 100-Series Valve Diaphragm Except Anti-Siphon 57045
Brand: Orbit
SKU: SKU-216348-default
Price: 3.07 USD
Availability: InStock
Rating: 5.0 (5 reviews)

100-Series Valve Diaphragm Except Anti-Siphon 57045 - Main image

$3.07 ~~$4.09~~ In stock

Category: Orbit

Replaces worn out or damaged diaphragms for Orbit's 3/4 In. (57100) and 1 In. (57101) internal bleed valves.

Replacement diaphragm for Orbit's Automatic 3/4 In. (57100) and 1 In. (57101) internal bleed valves
Easy to replace
Reliable and long-lasting
High-quality molded construction
For outdoor use with cold water only

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Customer Reviews (5.0 / 5 · 5 reviews)

Violet ★★★★★ Oct 10, 2026

Perfect fit for my Orbit 57100 valve—the rubber feels sturdy and it sealed the leak on the first try. Saved me from buying a whole new valve assembly.

Violet ★★★★★ Sep 15, 2026

Fixed a leaking valve in about ten minutes with this diaphragm, and the fit on the 3/4 in. internal bleed body was spot on. The rubber feels thick enough to actually last a few seasons instead of cracking like the old one did.

Avery I. ★★★★★ Sep 14, 2026

Swapped this into my 1 in. internal bleed valve in about five minutes and the zone stopped weeping completely. The rubber seats flush just like the original, no leaks after two weeks of daily watering.