Is the pitch adjustable on this 3-blade model

it utilizes the PopTop mounting system

Simplified Installation: The kit includes necessary components for a standard 230V fan motor swap

Cross-reference your existing part number

Reznor 197117 Kit R-410A Is the pitch adjustable onThe Reznor 197117 Kit is an essential DJ20 high altitude kit engineered for Reznor unit heater models UDAP, UDAS, UDBP, and UDBS (sizes 30 125). High elevation installations over 6,000 feet require a precise adjustment to the air fuel mixture to compensate for decreased atmospheric density and prevent incomplete combustion or safety circuit tripping. This OEM replacement part includes a specialized pressure switch, often identified by a purple label,