ZWD4035G 4GPM 3500PSI 1″ GAS FLANGE
$430.84
Description
The Comet ZWD4035G is a high-performance, direct-drive triplex plunger pump designed for heavy-duty commercial pressure washing. Because it pushes 4.0 GPM, it is significantly more productive than the 3.0 GPM models, making it a favorite for professional surface cleaning and large-scale residential projects.
Technical Specifications
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Flow Rate: 4.0 GPM (15.1 LPM)
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Max Pressure: 3500 PSI (241 bar)
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Speed: 3400 RPM (Standard Gas Engine Speed)
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Shaft Size: 1″ Hollow Shaft (Designed for 9 HP to 15 HP engines, like the Honda GX390).
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Flange: SAE J609B (Standard 4-bolt gasoline engine mount).
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Manifold: Forged Brass (Heavy-duty industrial grade).
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Plunger Diameter: 15mm (Solid Ceramic).
Essential Service Kits
If your ZWD4035G is losing pressure or leaking water into the oil, these are the factory-spec kits you’ll need:
| Kit Description | Part Number | Purpose |
| Water Seal Kit (15mm) | 5019.0063.00 | Fixes water leaks between manifold and crankcase. |
| Complete Valve Kit | 5025.0011.00 | Replaces all 6 valves (Inlet & Discharge). |
| Oil Seal Kit | 5019.0065.00 | Prevents oil leaks from the crankcase. |
| Ceramic Plunger (15mm) | 0202.0153.00 | Sold individually; replace if cracked or scored. |
| Pump Oil (Non-Detergent) | 6107 / ISO 68 | Specifically for triplex plunger pumps. |
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