Skip to content
Product photo of Hunter 414100SP diaphragm assembly for PGV-151 1.5-inch irrigation valve showing molded diaphragm and support plate on white background.

Hunter PGV-151 Diaphragm Assembly - 414100SP, 1.5" Valve

Brand: Hunter
Save 27%
$23.40
$16.97
SKU 414100SP
In Stock (14)

Notify me when back in stock

Replacement diaphragm assembly designed for Hunter PGV-151 1.5" irrigation valves (P/N 414100SP). This genuine-style diaphragm restores reliable zone control by resealing the valve chamber and preventing leaks. It’s the service part technicians and landscape pros trust to extend valve life and minimize downtime.

  • Exact fit for PGV-151 valves: Engineered to match Hunter PGV-151 inlet geometry and bonnet for a secure, leak-free fit.
  • Double-beaded seal design: Leak-resistant construction reduces stress failure and improves long-term reliability in buried installations.
  • Service-friendly replacement: Swap the diaphragm during routine maintenance without replacing the entire valve body.
  • Compatible part number: Sold as P/N 414100SP for easy cross-referencing with Hunter PGV service diagrams and parts lists.
  • Ideal for irrigation professionals: Keeps residential and commercial zones operating at specified flow and pressure ranges.

Includes one diaphragm assembly; sold individually. For step-by-step replacement instructions and valve diagrams, refer to Hunter PGV-151 service literature or contact a licensed irrigation professional. If you need help confirming fit for nonstandard or modified valves, our team can assist with compatibility checks before purchase.

Reviews

Frequently Asked Questions

What valves does this diaphragm fit?
This diaphragm (P/N 414100SP) is compatible with Hunter PGV-151 1.5" irrigation valves.
How do I replace the PGV-151 diaphragm?
Remove the bonnet and old diaphragm, seat the new diaphragm and support, then reassemble bonnet per Hunter service steps.
Is this an OEM Hunter part?
Sold as the Hunter-compatible P/N 414100SP used for PGV-151 service; cross-reference with Hunter parts lists if unsure.
Will this stop a leaking PGV valve?
A worn diaphragm is a common cause of leaks; replacing it often restores proper sealing and stops valve chamber leakage.