Plunger pump makers list their own crankcase oil. A1’s catalog does not list a dedicated pump oil, so check the pump manual before substituting.
Freeze protection
Hot water units often live outdoors; drain or antifreeze-protect the pump and coil per the maker before freezing.
Fluids by compartment.
Confirm the fluid type, grade, and specifications in the hot water pressure washer maker’s manual before ordering. These examples are not a fitment result for a specific machine.
Engine
Gas engines follow the engine maker; diesel skids list a diesel category and viscosity.
Shop AMSOIL directly with Jeff’s dealer number already attached, or open a business account. AMSOIL handles pricing, checkout, and shipping. If you contact AMSOIL another way, give them dealer number 30734402.
Prefer to talk it through? Email Jeff at [email protected] with your equipment, the fluid now in use, and your approximate volume.
Frequently asked questions
What oil goes in a pressure washer pump?
The crankcase oil the pump maker specifies.
How do I keep burner fuel clean?
Drain water from the tank and filter, and treat stored diesel.
General maintenance information. Always follow the equipment maker’s requirements and the current product data. Product availability, pricing, and account terms are set by AMSOIL.