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. This is a diaphragm only kit. The diaphragm works with the following Weathermatic 1 1/2" valve series:

• 11000 Series
• 21000 Series

The assembly kit comes with the following repair part:

• WM49110 - (1) Diaphragm Assembly

Please see Upfront Shipping Costs for more shipping information.