Product Description
Pump & Coil Protectant for Pressure Washer Scale Control
Karcher Pump & Coil Protectant is a professional pressure washer system protectant designed to help prevent mineral scale build-up inside pumps, heating coils, and water-handling components.
This phosphate-free formula helps stabilize minerals that cause water hardness, reducing scale formation and helping extend the service life of compatible Karcher pressure washer equipment.
Product Data
- Product: Pump & Coil Protectant
- Brand: Karcher
- Manufacturer Part Numbers: 9.556-011.0 and 9.556-010.0
- Monster SKUs: MPK95560110 and MPK95560100
- Product Type: Pump and coil scale-control protectant
- Use Type: Pressure washer protectant, pump protectant, coil protectant, mineral scale control, and water hardness treatment
- Recommended Equipment: Compatible Karcher cold water pressure washers, hot water pressure washers, heaters, trailers, and pressure washer systems with protectant dosing capability
- Dilution: RTU formula is used as directed by machine setting
- Concentrate Yield: 5 gallon concentrate makes up to 55 gallons
- pH: 7.3 full strength
- Color / Appearance: Amber
- Fragrance: None
- Foaming: None
- Hard Water Reaction: 5 = Best
- VOC: 0% California Consumer Products VOC
- Photochemically Reactive Ingredients: 0%
- Kosher Certified: Yes, year round not including Passover
- RTU Package Size: 5 gallon pail
- RTU Gross Weight: 45 lb
- Concentrate Package Size: 5 gallon pail
- Concentrate Gross Weight: 50 lb
- Packaged Dimensions: 12.5 x 12.5 x 15 in
- UPS Shipping: Yes
Formula Options
- 9.556-011.0 / MPK95560110 - 5 gallon Pump & Coil Protectant RTU, 45 lb
- 9.556-010.0 / MPK95560100 - 5 gallon Pump & Coil Protectant Concentrate, makes up to 55 gallons, 50 lb
Commonly Used For
- Helping prevent mineral scale build-up
- Protecting pressure washer pumps
- Protecting heating coils
- Reducing hard-water mineral deposit growth
- Supporting pressure washer maintenance programs
- Extending equipment life in hard-water applications
- Hot water pressure washer coil protection
Compatible Karcher Pressure Washer Equipment
Pump & Coil Protectant is designed for compatible Karcher pressure washer systems where scale-control protectant is required. Use the machine’s service switch, dosing system, or manufacturer instructions to set the correct usage rate based on water hardness and equipment output.
HD Cold Water Pressure Washers
- HD 1.8/13 C Ed
- HD 1.8/14 Ed
- HD 2.0/1000 Dual Mister
- HD 2.0/1000 Dual Mister Cart
- HD 2.5/27 P ATV
- HD 3.0/27 G
- HD 3.1/31 P
- HD 3.5/35 G
- HD 4.0/36 P
- HD 4.0/40 GeB
- HD 4.5/32-4 S Eb
- HD 4.5/32-4 S Ec
HD Equipment Families
- HD Cart
- HD Compact Class
- HD Mid Class
- HD PB/D Cage
- HD Special Class
- HD Super Class
HDS Hot Water Pressure Washers
- HDS 5.6/35 De Cage
- HDS 801-4 E
- Heater 4.2/30
HDS Equipment Families
- HDS Compact Class
- HDS Hand Truck
- HDS Mid Class
- HDS Pe Cage
- HDS Super Class
Trailer & Specialty Systems
- TRK-2500 HDS 4.7/35 trailer system
- TRK-2500 trailer system
- TRK-3500 trailer system
- Tabernas Series
Water Hardness & Machine Setting Guidance
- Less than 0.2 ppm / less than 3 °dH: Service switch OFF
- 0.2 to 0.4 ppm / 3 to 7 °dH: Service switch setting 1
- 0.4 to 0.8 ppm / 7 to 14 °dH: Service switch setting 2
- 0.8 to 1.2 ppm / 14 to 21 °dH: Service switch setting 3
- Greater than 1.2 ppm / greater than 21 °dH: Service switch setting 4
Package Size Options
- 9.556-011.0 / MPK95560110 - 5 gallon Pump & Coil Protectant RTU
- 9.556-010.0 / MPK95560100 - 5 gallon Pump & Coil Protectant Concentrate
Application Directions
- Read the Safety Data Sheet thoroughly before using this product.
- Use only as directed by the equipment manufacturer.
- Measure water hardness or obtain hardness information from the local water supplier.
- Set the machine service switch according to the water hardness chart.
- For units with an output of 2.1 to 3.5 GPM, set the pulse generator at 32 to 55 seconds.
- For units with an output of 3.5 to 5.3 GPM, set the pulse generator at 10 to 50 seconds.
- Flush any food contact surfaces with plenty of potable fresh water.
- Do not use on animals.
Safety & Handling
- Industrial use only.
- Read all label directions and Safety Data Sheet before use.
- Use only in compatible pressure washer systems.
- Do not use on animals.
- Flush food contact surfaces with potable fresh water after exposure.
- Use proper ventilation and recommended personal protective equipment.
- Keep container sealed when not in use.
- Keep out of reach of children.
Documents
Shipping Information
This product ships as a 5 gallon pressure washer pump and coil protectant pail. Both the RTU and concentrate 5 gallon options ship UPS according to the product information sheet. Pallet quantities and large facility orders are available.
Facility & Bulk Purchase Programs
Need pump and coil protectant, pressure washer maintenance chemicals, descaler support products, or hard-water scale-control products for a large facility, fleet, or contractor program? Monster Janitorial provides special pricing for commercial and institutional buyers.
Orders over $15,000 may qualify for free freight. Contact sales@monsterjanitorial.com for a custom quote.
Why Choose Monster Janitorial?
- Professional-grade commercial pressure washer chemicals
- Fast order processing on most in-stock products
- Expert support from commercial cleaning and pressure washer chemical specialists
Tax-Exempt Purchasing
Create an account and email your tax exemption certificate to sales@monsterjanitorial.com to enable tax-free purchasing on qualifying orders.
Chemical Guides & Floor Care Resources
Need help choosing the right pressure washer chemical, pump and coil protectant, descaler, detergent, or hard-water maintenance product? Monster Janitorial provides chemical guides, application information, and maintenance best practices for commercial cleaning teams.