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Weathermatic Silver Bullet SB-10-HP 1-inch irrigation valve with light-gray glass-filled nylon body and 24VAC solenoid.

Weathermatic Silver Bullet SB-10-HP 1" 24VAC Valve

Brand: Weathermatic
Save 27%
$44.71
$32.42
SKU SB-10-HP
In Stock (51)

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Weathermatic Silver Bullet SB-10-HP is a 1" 24VAC irrigation valve engineered for durable, reliable operation in residential and light commercial systems. Its reverse-flow diaphragm and self-cleaning ports reduce maintenance and extend service life.

  • 150 PSI (10.3 BAR) maximum rated pressure; suitable for underground burial without additional protection.
  • Reverse-flow diaphragm design equalizes pressure on both sides to prevent stretching and failure.
  • Glass-filled nylon body and cover with 1/4" stainless steel cover bolts and brass body inserts for corrosion resistance.
  • S20P solenoid (24VAC) with stainless steel actuator; electrical draw: Inrush 9.48 VA, Holding 5.11 VA (60Hz).
  • Flow range: 0.2 to 180 GPM; compact dimensions: 5" L x 3.13" W x 4.75" H; normally-closed, manual internal bleed lever included.
  • 5-year trade warranty and 100% water-tested at the factory; valve is fully serviceable without removing body from pipeline.

Install inline with standard 1" NPT fittings or ISO threads where required. See manufacturer technical sheets for detailed specifications, installation, and parts diagrams. Contact a qualified irrigation professional if you are unsure about compatibility or wiring.

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Frequently Asked Questions

What electrical supply and VA draw does the SB-10-HP require?
Operates on 24VAC; inrush ~9.48 VA and holding ~5.11 VA at 60Hz. Verify controller compatibility.
What is the maximum operating pressure and flow range?
Rated to 150 PSI (10.3 BAR). Flow range approximately 0.2 to 180 GPM for the 1" model.
How do I manually bleed or operate the valve without power?
The Silver Bullet includes an internal manual bleed lever on the downstream side for on/off operation without energizing the solenoid.
Is the SB-10-HP suitable for underground installation without protection?
Yes — the valve is designed for underground burial without additional protection; follow local codes and manufacturer's installation instructions.