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Professional Soft Wash System: The Comet P40-GR-CBP is a gas-powered diaphragm pump system engineered for high-flow, low-pressure exterior cleaning applications.
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Industry-Standard Performance: Widely regarded as a go-to setup for professional soft washing, it excels at removing mold, algae, mildew, and organic stains from roofs, siding, and other delicate surfaces.
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High Flow Output: Delivers an impressive 11–11.5 GPM, providing fast chemical application and efficient coverage on large residential and commercial properties.
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Low-Pressure Safety: Rated up to 300 PSI, making it safe for fragile surfaces while still offering powerful cleaning capability.
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Reliable Honda Power: Commonly paired with the proven Honda GX200 6.5 HP gasoline engine for dependable starting, smooth operation, and long service life.
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Three-Diaphragm Pump Design: Features a heavy-duty triple-diaphragm configuration built with Viton or Desmopan components for superior chemical resistance.
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Chemical-Resistant Construction: Polypropylene and stainless steel wetted parts are specifically designed to withstand harsh chemicals such as sodium hypochlorite (bleach).
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Upgraded Manifold Design: Newer 2025/2026 models feature a single-piece manifold that reduces leak points and simplifies maintenance compared to older multi-part designs.
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Integrated Bolt-On Regulator: Includes a dedicated regulator for precise pressure control, leak prevention during adjustments, and a port for optional pressure gauge installation.
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Built for Durability: Aluminum head plates minimize flex under pressure, while a rugged metal oil cup improves impact resistance in demanding jobsite conditions.
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Optimized Gear Reduction: Equipped with a 3/4" solid shaft gearbox that reduces engine speed to the pump’s ideal 550 RPM, extending the life of both the engine and pump.
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Flexible Port Configuration: Features a 1" hose barb inlet, 3/4" outlet (or 1/2" depending on plumbing setup), and a 1/2"–3/4" bypass for versatile system integration.
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Commercial-Grade Weight Options: Approx. 81 lbs for complete skid/engine setups or 30–31 lbs for pump-only configurations, balancing strength with portability.
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Trusted Professional Choice: A proven, reliable solution for contractors seeking consistent performance, chemical durability, and long-term reliability in soft wash systems.
