This is a 10" x 10" centrifugal blower wheel with a 1/2" bore

Common Technician Questions: How do I resolve a 3-flash lockout code

Smith 100166325 Pump Less Volute is a heavy-duty centrifugal circulator pump component engineered for high-efficiency commercial water heating systems

the RV-4 series is specifically engineered to provide automatic control for one-pipe steam radiators through efficient air venting when paired with the correct thermostatic operator

for long wire runs

ASCO 272839-009 Timer Drain Kit R-410A This is a 10" xThe ASCO 272839 009 Timer Drain Kit is a high performance solution for the automatic drainage of moisture in sophisticated compressed air systems. This solid state electronic timer is engineered to control ASCO solenoid valves, transforming them into reliable condensate timer drains that prevent corrosive buildup and freeze damage. Designed for universal industrial use, it supports a wide supply voltage range from 24 to 240V AC DC. The kit features