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Irritrol HR1310 diaphragm assembly for 1-1/2 in 100 Series valve, black nylon-reinforced EPDM diaphragm shown

Irritrol HR1310 Diaphragm Assembly for 1-1/2 in Valve

Brand: Irritrol
Save 28%
$44.39
$32.18
SKU HR1310

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Replacement diaphragm assembly for Irritrol 100 Series 1-1/2 in irrigation valves. Built to restore reliable operation, this service part seals the valve seat and regulates internal pressure so your zone operates correctly without a full valve replacement.

  • Nylon-reinforced EPDM double-beaded diaphragm for long-lasting seal and durability.
  • Specifically sized for 1-1/2 in (1.5") 100 Series valves; compatible with some Hardie and older Hydro‑Rain 1.5" models.
  • Seals the seat to prevent leakage and maintain consistent pressure.
  • Replaceable assembly designed for straightforward field servicing and quick repairs.
  • Durable construction resists contamination and wear in dirty-water applications.
  • Compact dimensions approximately 3.0" x 3.0" x 2.75" and lightweight for easy handling.

Recommended for irrigation professionals and homeowners who want a cost-effective repair option. Always verify valve size and model before ordering. Follow Irritrol installation instructions when replacing the diaphragm; clean the control filter and seating surfaces to ensure proper fit and a tight seal.

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Frequently Asked Questions

What valves does this diaphragm fit?
Fits Irritrol 100 Series 1-1/2 in valves; also compatible with some Hardie and older Hydro‑Rain 1.5 in models.
How do I install the replacement diaphragm?
Remove the valve cover, replace the old diaphragm with the new double-beaded assembly, reassemble and test. Follow manufacturer instructions.
What material is the diaphragm made from?
A nylon-reinforced EPDM double-beaded diaphragm that seals the seat and resists wear and contamination.

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