Collection: Diaphragm Pumps
Diaphragm Pumps for Soft Wash & Low-Pressure Applications
Power your soft wash and chemical delivery systems with professional diaphragm pumps designed for low-pressure applications. Our selection includes AR45, Comet P-40, and other diaphragm pump models trusted by professionals for roof cleaning, house washing, and chemical application without the need for high-pressure pumps.
Complete Diaphragm Pump Solutions
- AR45 Diaphragm Pumps: Industry-standard AR45 pumps from Annovi Reverberi for reliable soft wash performance
- Comet P-40 Pumps: Trusted Comet P-40 diaphragm pumps for professional chemical delivery systems
- Flow Rates: Pumps available in multiple GPM ratings to match your soft wash system requirements
- Pressure Ratings: Low-pressure pumps designed for safe chemical application without surface damage
- Chemical Compatibility: All pumps engineered to handle bleach, surfactants, and soft wash chemicals safely
Whether you're building a new soft wash rig, replacing a worn pump, or upgrading your chemical delivery system, diaphragm pumps provide reliable low-pressure operation that protects delicate surfaces while delivering effective cleaning results. These pumps are specifically designed for soft washing applications where high pressure would cause damage to roofs, siding, and other sensitive surfaces.
Looking for replacement parts? Browse our diaphragm pump replacement parts. Need complete systems? Check out our soft wash systems and complete product catalog.
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Sale Sold outVendor:MPWSRComet P40 CRX Softwash Skid SystemRegular price From $1,599.00 USDSale price From $1,599.00 USD Regular priceUnit price / per
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Sale Sold outVendor:MPWSRNEW P40 Bare pump and gearbox with RegulatorRegular price $1,498.00 USDSale price $1,498.00 USD Regular priceUnit price / per
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Sale Sold outVendor:MPWSRC3 Sealer CartRegular price From $399.99 USDSale price From $399.99 USD Regular priceUnit price / per
$550.00 USD -
Sale Sold outVendor:MPWSRAR45LFP GR-GCI Bolt on Ready AR45 PUMP AND GEARBOX ONLYRegular price $1,245.22 USDSale price $1,245.22 USD Regular priceUnit price / per
$1,380.80 USD -
Vendor:MPWSR11.0 GPM - 300 PSI Gas Soft Wash Unit with Honda GX200 Engine and Comet P40 Diaphragm PumpRegular price $1,899.00 USDSale price $1,899.00 USD Regular priceUnit price / per
$2,299.99 USD -
Sale Sold outVendor:MPWSRAR45 Lower Ceramic Piston AR3120301 #94Regular price $24.92 USDSale price $24.92 USD Regular priceUnit price / per
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Sale Sold outVendor:MPWSRAR45 Softwash Skid with Electric Start CRX EngineRegular price $1,999.00 USDSale price $1,999.00 USD Regular priceUnit price / per
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Vendor:MPWSRSPECIAL ORDER - Comet BPX 25 Bare Diaphragm Pump and GearboxContact us for Pricing and Availability
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Vendor:MPWSRSimpson Soft Wash CRX225 Electric Start w/ Comet BPX25 SW380133E 65427Regular price $1,349.99 USDSale price $1,349.99 USD Regular priceUnit price / per
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Sale Sold outVendor:MPWSRAR60 Bare Pump and Gearbox Assembly AR60LFP-GR-GCIRegular price $1,658.33 USDSale price $1,658.33 USD Regular priceUnit price / per
$1,680.00 USD -
Vendor:MPWSRSPECIAL ORDER - AR550030 AR30 Oil Reservoir Fill / Sight Glass #29Contact us for Pricing and Availability