Part number 700-771 is a pressure control knob used to adjust and set the operating pressure on compatible Advantage, Elite, Epic, Impact, PowrLiner, and SprayTech sprayers. This ergonomic knob connects to the pressure control valve or transducer, allowing precise pressure regulation for optimal spray performance. Replacing a worn, stripped, or missing knob restores accurate pressure control and ensures consistent application results.
| Part Number | 700-771 |
|---|---|
| Part Description | Pressure Control Knob |
| Brand | Advantage / Elite / Epic / Impact / PowrLiner / SprayTech |
| Fits |
|
| Condition | New |
The 700-771 Pressure Control Knob is the user interface component that allows operators to adjust the spraying pressure on compatible Advantage, Elite, Epic, Impact, PowrLiner, and SprayTech equipment. It attaches directly to the pressure control valve stem or potentiometer, translating rotational motion into precise pressure changes for optimal material application.
Over time, pressure control knobs can become worn, cracked, or stripped, making pressure adjustment difficult or impossible. A missing or damaged knob can lead to inability to change pressure settings, inaccurate pressure regulation, and inconsistent spray results. Replacing the knob restores intuitive and accurate pressure control, ensuring proper atomization and finish quality.
| Pressure adjustment | Allows user to increase or decrease operating pressure |
|---|---|
| Precise control | Provides fine‑tuning capability for optimal spray performance |
| User interface | Ergonomic design for comfortable and intuitive operation |
| Cracks / breakage | Visible damage compromising knob integrity |
|---|---|
| Stripped mounting | Knob spins without engaging the valve stem |
| Difficult to turn | Binding or excessive resistance |
| Missing knob | Knob absent, leaving valve stem exposed |
Part number 700-771 is compatible with the following equipment models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| Advantage 400 | Pressure Control Knob |
| Advantage 500 | Pressure Control Knob |
| Advantage GPX 85 | Pressure Control Knob |
| Elite E15 | Pressure Control Knob |
| Elite G40 | Pressure Control Knob |
| Elite E55 | Pressure Control Knob |
| Epic 1200 HPG | Pressure Control Knob |
| Epic 447 EX | Pressure Control Knob |
| Epic 477 HPX | Pressure Control Knob |
| Epic 660 EX | Pressure Control Knob |
| Epic 660 HPX | Pressure Control Knob |
| Epic 690 GX | Pressure Control Knob |
| Impact 410 | Pressure Control Knob |
| PowrLiner 2850 | Pressure Control Knob |
| PowrLiner 1800M | Pressure Control Knob |
| PowrLiner 2800M | Pressure Control Knob |
| PowrLiner 3100 | Pressure Control Knob |
| PowrLiner 4955 | Pressure Control Knob |
| PowrLiner 6955 | Pressure Control Knob |
| PowrLiner 8955 | Pressure Control Knob |
| SprayTech GPX 85 | Pressure Control Knob |
Pressure control issues may involve associated components. When servicing the pressure control knob, these parts are commonly inspected or replaced at the same time.
If the knob is damaged, the valve stem may also be worn; inspect for damage.
Check for damage around the knob mounting area.
Nuts, washers, or set screws that secure the knob may be missing or corroded.
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