Description
The General Pump Kit 100 is a specialized “Hot Packings” kit designed for pumps with 20mm plungers. While standard NBR (Buna-N) seals are usually rated for temperatures up to 160°F, Kit 100 uses Teflon/Kevlar reinforced materials specifically engineered to handle constant temperatures up to 185°F (85°C).
This kit provides the seals for all three (3) cylinders.
Compatibility
Kit 100 is the high-temperature upgrade/replacement for most 20mm GP and Interpump models, including:
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T Series (Standard): T1011, T1311, T1511, T2011, T911, T9211.
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TS Series (Standard): TS1011, TS1311, TS1511, TS2011.
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Common Brands: This is a staple kit for professional carpet cleaning machines and hot-water industrial pressure washers.
Kit Contents
This kit focuses on the high-pressure and low-pressure seal components for a 20mm bore:
| Quantity | Part Number | Component | Function |
| 3 | 90270500 | Packing (High-Temp) | Reinforced V-packing designed for hot water. |
| 3 | 90270400 | Restrainer (20mm) | Supports the seal stack and limits movement. |
| 3 | 90271000 | Low-Pressure Seal | High-temp lip seal for the suction stroke. |
Why Use High-Temp Seals?
Standard seals soften and fail quickly when exposed to hot water. You need Kit 100 if:
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Carpet Cleaning: You are running a truck-mount or portable unit with an internal heater.
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Industrial Hot Water Wash: You use a burner coil to heat the water before it enters the pump (though most heaters are placed after the pump, some specialized systems feed hot water directly).
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Extended Bypass: If your pump runs in bypass mode (trigger closed) for too long, friction creates heat. High-temp seals offer a “buffer” against this accidental damage.





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