Direct OEM Replacement: Eliminates field modifications when servicing Marley CWH and SRA series heaters

it ensures critical over-pressure protection by utilizing an EPDM rubber diaphragm and seat disc

Common indicators include unusual screeching or grinding noises (bearing failure)

you know that keeping a Tjernlund HS4 Power Venter running at peak performance requires exact tolerances

Greenheck 385031 Control 322838-754 Direct OEM Replacement: Eliminates fieldThe Greenheck 385031 is a commercial grade 6AMP 120V speed control designed for precise manual adjustment of permanent split capacitor (PSC) and shaded??? motor types. This solid state fan speed controller is a direct replacement part used extensively in Greenheck SQ centrifugal square inline fans and common sidewall power roof ventilators. Engineered to prevent electromagnetic interference and motor hum, this potentiometer speed dial allows for a