Irritrol - R-1310 - 100-15 Replacement Valve Diaphragm 1-1/2 in.

Brand: Irritrol    SKU: R-1310

Product Overview

The Irritrol R-1310 is a replacement diaphragm for compatible 1-1/2-inch Irritrol 100 Series Century Plus valves, including the standard 100P1.5 configuration. It replaces the flexible internal seal when the diaphragm is torn, stiff, distorted, or no longer allowing the valve to open and close correctly.

Key Features

• Genuine Irritrol replacement diaphragm
• Designed for compatible 1-1/2-inch 100 Series valves
• Supports 100P1.5 repair applications
• Valve body, bonnet, solenoid, and regulator not included

Compatibility and Installation Notes

Verify the 1-1/2-inch valve size and model marking before ordering. The 1-inch 100P1 uses R-1308, while 2-inch and 3-inch models require different diaphragms. Shut off water and electrical control, relieve pressure, and inspect the valve seat and bonnet while the valve is open.

Frequently Asked Questions

Will R-1310 fit the 1-inch 100P1?

No. The 1-inch valve uses R-1308.

Is a solenoid included?

No. This listing is for the diaphragm only.

Why Buy Irritrol R-1310 from Big Frog Supply?

The page ties the repair part directly to the 1-1/2-inch 100P1.5, reducing confusion among the size-specific Century Plus diaphragm options.

Product Type Replacement valve diaphragm
Manufacturer Part Number R-1310
Valve Family Irritrol 100 Series Century Plus
Primary Model 100P1.5
Valve Size 1-1/2 in.
Complete Valve Included No
Solenoid Included No