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Close product image of Weathermatic 45-110DMSAK replacement diaphragm for 1-inch Black Bullet 21000 Series valve.

Weathermatic 45-110DMSAK Diaphragm for 1" Black Bullet Valve

Brand: Weathermatic
Save 28%
$24.32
$17.63
SKU 45-110DMSAK

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Replacement diaphragm made for Weathermatic Black Bullet 1-inch 21000 Series valves. This OEM part (45-110DMSAK) restores reliable sealing and valve operation when the existing diaphragm is worn or damaged.

  • Direct-fit replacement for Weathermatic Black Bullet 1" 21000 Series valves - compatible with part references 11024FCr and 21024E-10.
  • Diaphragm only: does not include solenoid, bonnet, or additional gaskets.
  • Easy to install during routine maintenance; basic hand tools are normally sufficient for removal and reassembly.
  • OEM-compatible part number 45-110DMSAK ensures correct fit and consistent performance.
  • Designed to restore valve sealing and reduce leaks, extending service life under normal irrigation conditions.

Keep a spare diaphragm on hand to minimize system downtime. If you are unsure about compatibility, compare the part number on your valve or contact a trained technician for assistance.

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Frequently Asked Questions

What valves does the 45-110DMSAK diaphragm fit exactly?
Fits Weathermatic Black Bullet 1" (21000 Series) valves; compatible with part refs 11024FCr and 21024E-10.
How hard is it to install this diaphragm on my valve?
Basic maintenance task: remove bonnet, swap the diaphragm, and reassemble. Typical hand tools are sufficient.
Will replacing the diaphragm stop a leaking valve?
If the leak is caused by a worn or torn diaphragm, replacement typically restores sealing and reduces leaks.