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Weathermatic Bronze Bullet Diaphragm Assembly 1"–1 1/4" (30-05DSA)

Brand: Weathermatic
Save 28%
$76.69
$55.60
SKU 30-05DSA

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Replacement diaphragm assembly designed for Weathermatic Bronze Bullet valves. The 30-05DSA fits 1" and 1 1/4" (8200CR series) bronze valves and restores reliable, low-flow operation for irrigation systems.

  • Material: EPDM diaphragm with brass shock cone; bronze body and cover with stainless steel bolts and actuator.
  • Performance: Rated to 225 PSI and suitable for low-volume irrigation; flow range 0.2–400 GPM.
  • Solenoid compatibility: Works with S24B high-efficiency 24VAC solenoid (low holding current for reliable operation).
  • Design benefits: Reverse-flow, contamination-resistant diaphragm with self-cleaning ports to reduce sand and silt clogging.
  • Controls: Built-in brass flow-control stem and internal manual bleed lever for easy adjustment and servicing.
  • Durability: Bronze construction with 82% copper content and stainless fasteners for long service life in buried installations.

Installation is straightforward for trained irrigation technicians; the valve is serviceable without removing the body. Backed by a 10-year trade warranty. See product literature for dimensions, electrical specifications, and accessory options.

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Frequently Asked Questions

What models and sizes does this diaphragm assembly fit?
Fits Weathermatic Bronze Bullet (8200CR series) 1" and 1 1/4" valve models. Use SKU 30-05DSA to confirm compatibility.
How do I know if the diaphragm needs replacement?
Replace the diaphragm if the valve fails to hold pressure, leaks, cycles irregularly, or shows visible tears or sand damage.
Is this diaphragm resistant to chlorine and chloramine?
Yes. The EPDM diaphragm is formulated to resist chlorine and chloramine, improving longevity in treated water systems.
What warranty covers this replacement part?
This part is backed by Weathermatic’s 10-year trade warranty when installed per the manufacturer’s instructions; see documentation for terms.