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Irritrol R-1308 replacement diaphragm assembly for 1-inch 100 Series irrigation valve, showing diaphragm and mounting plate.

Irritrol R-1308 Diaphragm Assembly for 1-inch 100 Series Valve

Brand: Irritrol
Save 27%
$41.33
$29.97
SKU R-1308

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Replacement diaphragm assembly (SKU R-1308) for 1-inch Irritrol 100 Series irrigation valves. This OEM-compatible replacement restores the valve's sealing surface and helps return reliable operation without replacing the entire valve body.

  • Direct fit for 1-inch Irritrol 100 Series valves — no modifications required.
  • Restores proper diaphragm seal to prevent leaks and ensure consistent water flow.
  • Simple field installation: remove bonnet, swap diaphragm, and reassemble—minimal tools required.
  • Recommended for valve maintenance and repairs to extend service life of irrigation systems.
  • Compatible with standard irrigation systems and suitable for residential and light commercial use.

Keep a spare diaphragm on hand to reduce downtime; inspect valve bonnet and screws during replacement and replace any worn fasteners. If uncertain, consult a licensed irrigation professional.

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Frequently Asked Questions

What valves is the R-1308 diaphragm compatible with?
Compatible with 1-inch Irritrol 100 Series irrigation valves. Verify model markings on your valve for exact match.
How difficult is it to install the replacement diaphragm?
Field-installable with basic hand tools; remove the bonnet, swap the diaphragm, and reassemble. If unsure, hire a licensed irrigation technician.
Will this diaphragm stop a leaking valve?
If the leak is caused by a worn or damaged diaphragm, replacing it (SKU R-1308) will often restore a proper seal. Other valve issues may persist.