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Front view of Weathermatic HD24JHPSA 24VAC heavy-duty round plastic solenoid with visible threaded base and electrical connector, on white background.

Weathermatic HD24JHPSA 24V Heavy-Duty Round Solenoid

Brand: Weathermatic
Save 28%
$26.90
$19.50
SKU HD24JHPSA
In Stock (104)

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Replace worn or discontinued solenoids with the genuine Weathermatic HD24JHPSA heavy-duty 24VAC round plastic solenoid. Designed for commercial and residential irrigation valves, this compact replacement restores reliable valve operation and allows simple field servicing by irrigation professionals and DIYers alike.

  • Compatibility: Direct replacement for S20P, S20PSAK and M24E; fits Weathermatic Nitro, 12000 and 21000 (Silver Bullet) series valves.
  • Durability: Marine-grade construction with a stainless-steel actuator for improved corrosion resistance in wet or coastal environments.
  • Included parts: Ships with the cylinder-shaped plunger/piston so you can install the unit without buying additional internal parts.
  • Electrical: 24 VAC, 60 Hz — Inrush: 9.48 VA; Holding: 5.11 VA for consistent coil performance under load.
  • Form factor: Round plastic body designed to replace older square-shaped M24E solenoids where applicable.
  • Use case: Ideal for field replacements, service trucks, and maintenance inventories to keep irrigation systems operational.

Installation is straightforward: remove the old coil, fit the HD24JHPSA, and open the controller to test the valve. For uncommon valve assemblies or additional verification, consult Weathermatic technical documentation or contact a certified irrigation technician.

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Frequently Asked Questions

What Weathermatic valve series is this solenoid compatible with?
Compatible with Nitro, 12000 and 21000 (Silver Bullet) series; replaces S20P/S20PSAK and M24E.
Is this a genuine Weathermatic replacement part?
Yes. This is the genuine Weathermatic HD24JHPSA heavy-duty solenoid manufactured to factory specifications.
What are the electrical specifications and performance ratings?
24 VAC, 60 Hz. Inrush: 9.48 VA; Holding: 5.11 VA for consistent coil performance.