This Lower Air Chamber Body is designed for use with several different Hypro/AR Diaphragm Pumps. Meant to be utilized as part of a small or medium sized sprayer assembly, this chamber holds air for durable epoxy-coated pumps. Extremely useful as a replacement part or when making repairs. Order your air chamber today.  Order 2 - 9910540290 (AR540290) cap screws if needed.  New chamber does not come with studs.

An integral part of the Hypro D30/ AR30 diaphragm pump. This piece is directly under the red dome on top of the pump. If there is a pressure spike in the pump this part will crack. Always remember to put the pressure regulator in bypass mode when shutting down your sprayer to prevent this from happening.

• For pump model: 9910-D30 (AR30) and AR40
• Weight: 2 lbs