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The WORLD MARKETING OF AMERICA PP217 is a pump adjustment kit designed for portable forced air heaters. It provides the components needed to tune or restore proper fuel pump operation during routine maintenance or repair. The kit includes a spring, pipe plug, adjusting screw, and ball — the core hardware used when servicing the fuel pump assembly on kerosene and diesel-fired portable heaters. This is an OEM replacement part intended for use by HVAC technicians, portable heater service professionals, and experienced DIYers performing scheduled tune-ups or pump repairs in the field or shop.
This kit is suited for portable forced air heater applications in both residential and light commercial settings. It is commonly used during seasonal maintenance, post-storage servicing, or when a heater exhibits fuel delivery inconsistencies. The PP217 is identified as a fit for Desa Reddy Heater, Master, Remington, Knipco, Keoring, and Desa portable forced air heater models. Basic DIY installation instructions are included with the kit.
Fits most Desa Reddy Heater, Master, Remington, Knipco, Keoring, and Desa portable forced air heaters as an OEM-style replacement pump adjustment kit.
Installation is typically performed by a qualified HVAC technician or experienced portable heater service professional. Before servicing the fuel pump assembly, ensure the heater is fully powered off, the fuel supply is shut off, and the unit has cooled completely. Follow the included installation instructions and observe all applicable safety guidelines for handling fuel system components on liquid-fueled heating equipment.
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