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Irritrol 100232-H diaphragm assembly front view—nylon-reinforced Buna-N diaphragm for 1-inch 204/205 valves.

Irritrol 100232-H Diaphragm Assembly for 204/205 Valves

Brand: Irritrol
Save 44%
$22.76
$12.80
SKU 100232-H
In Stock (45)

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Genuine Irritrol 100232-H diaphragm assembly designed for Richdel 204 and 205 series 1-inch valves. This OEM replacement part restores reliable sealing and consistent valve performance in potable and non-potable irrigation systems.

  • Direct replacement for Irritrol/Richdel 204 and 205 Series 1-inch valves — restores original sealing performance.
  • Nylon-reinforced Buna-N diaphragm resists wear and provides a durable, flexible sealing surface.
  • 1-inch nominal size fits standard 204/205 valve bodies and maintains manufacturer-specified flow characteristics.
  • Genuine manufacturer part (100232-H) tested for fit and compatibility to minimize leaks and downtime.
  • Simple field replacement: no special tools required for routine diaphragm change-outs.

Includes links to the product sell sheet and installation guide for detailed instructions and parts diagrams. Keep a spare diaphragm on hand to return valves to service quickly when maintenance is required.

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Frequently Asked Questions

What valves does the 100232-H diaphragm fit?
Fits Irritrol and Richdel 204 and 205 Series 1-inch valves. Confirm the model stamped on your valve before ordering.
How do I replace the diaphragm in a 204/205 valve?
Shut off water, remove the valve bonnet, replace the diaphragm with the OEM 100232-H, then reassemble. See the installation guide for details.
Is the diaphragm material durable for frequent cycling?
Yes. The nylon-reinforced Buna-N diaphragm resists wear and maintains a secure seal under normal irrigation cycles.
Can I use this diaphragm with reclaimed or non-potable water?
Yes. The diaphragm is compatible with potable and non-potable irrigation systems; follow local codes and recommended maintenance.