Diaphragms can become worn over time from debris and regular use. This can cause the valve to not function properly. Our diaphragm assembly kit will provide you with the part needed to fix or maintain the integrity of your valve's diaphragm. The diaphragm assembly works with the following Weathermatic 1" valve series:

• 11000 Series
• 21000 Series

The assembly kit comes with the following repair part:

• WM45110 - (1) Diaphragm Assembly