Pump Head: Improve the performance of your with premium pump head assembly . for AR43361 models, this pump head guarantees quality and optimal performance. Pump Head Assembly -This pump head assembly is compatible with AR pump heads and /SRMW axial cam pumps, including for SRMW2.3G28 and SRMW2.4G28 model pumps. Product Details: Designed specifically for /SRMW axial cam pumps, pump head assembly includes all necessary components such as water seal, check valve, unloader valve, and chemical injector. Feature: Installation is easy and does not require professional mechanical knowledge. Simply remove the hose connector extension from the original part and easily connect it to the connector on the front base of the machine. Maximum pressure: 2800 PSI. Pump Head: Improve the performance of your with this premium pump head assembly replacement. Compatible with AR43361 models, this pump head guarantees superior quality and optimal performance. Pump Head Assembly -This pump head assembly is compatible with AR pump heads and /SRMW axial cam pumps, including for SRMW2.3G28 and SRMW2.4G28 model pumps. Feature: Installation is easy and does not require professional mechanical knowledge. Simply remove the hose connector extension from the original part and easily connect it to the connector on the front base of the machine. Maximum pressure: 2800 PSI. Tip: This pump assembly comes with a pressure relief valve, increasing safety and performance. The E-Z start valve, thermal release valve, and complete set of inlet/outlet pipes easy to maintain. Color: Silver Material: Metal Package Contents: 1 x Pump Head Assy Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.