Accessories
Strainer – To improve priming and minimize debris entering the pump, it is recommended that a strainer be used with the system. A strainer is provided with the pump. Additional foot valve and strainer options are available.
Injector – An injector is provided with the pump for injecting into piping and vessels. It can also be used to prevent siphoning when pumping downhill. A standard injector is provided with the pump. Additional injector options are available.
Tubing (Suction and Discharge) – 1/2” Braided Tube can be provided with the pump for use with 1/2” Hose Barb connections. 1/2” Braided Tube is available as an option. Part number 90008-437, sold by the foot.
Wall Mount Bracket (Shelf) – Blue-White offers a sturdy polyethylene Wall Mount Bracket for easy mounting on a shelf.
Tanks – Blue-White has a variety of tank systems and cylindrical tanks available.
Additional piping accessories – Blue-White can provide additional items for your system including pressure gauges, pressure switches, pressure relief valves, calibration columns, back-pressure valves, pulsation dampeners, and strainers.
Complete Skids – Blue-White manufactures complete skids systems for ease in installation and set-up. Visit our skid page for options.
Spare Parts
The A4S Pump complete spare parts list is located in the Instruction Manual. Recommended spare parts are list below:
| A4S Pump Head Components | |||
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY |
| 1 | 90011-217 | Spacer | 2 |
| 2 | Roller Assy for NL, NP tubes | A4-MNL-R | 1 |
| 2 | Roller Assy for TH, TK, TKK, THH tubes | A4-MTH-R | 1 |
| 2 | Roller for NH, NK, NHH, NHL, NHHL tubes | A4-MNH-R | 1 |
| 2 | Roller for NKL, NKKL tubes | A4-MNKL-R | 1 |
| 2 | Roller for GH, GK, GKK tubes | A4-MGH-R | 1 |
| 3 | Tube | (See below Tube Matrix) | 1 |
| 4 | A4-SXX-C | Pump Head Cover, Polycarbonate | 1 |
| 5 | 90011-183 | Thumb Screw with 9/64” key drive (maximum torque 6-8 in-lbs) | 8 |
| 6 | 90007-128 | Shaft Extension | 1 |
| Roller Assembly Parts | |||
| ITEM NO. | PART NUMBER | DESCRIPTION | QTY |
| 1 | 76010-042 | A4 Rotor Body | 1 |
| 2 | 76002-038 | Spider Ring | 1 |
| 3 | 90011-267 | Captive Screw | 2 |
| 71010-799 | A4 Rotor Assy (1, 2, and 3) | 1 | |
| 4 | 71010-771 | Arm Roller Guide Assy | 2 |
| 5 | 71010-766 | Arm Roller (pinch) NL/NP | 2 |
| 5 | 71010-767 | Arm Roller (pinch) TH / TK / TKL / THH | 2 |
| 5 | 71010-768 | Arm Roller (pinch) NH / NK / NHH / NHL / NHHL | 2 |
| 5 | 71010-769 | Arm Roller (pinch) NKL / NKKL | 2 |
| 5 | 71010-770 | Arm Roller (pinch) GH / GHH / GK / GKK | 2 |
