Multiquip 45275 Multifunction Switch Grayhill PRX - OEM Replacement Part

This multifunction switch controls critical trowel operations including blade pitch adjustment, lighting, and retardant spray functions on ride-on power trowels. The Grayhill PRX switch unit integrates multiple control functions into a single robust component, allowing operators to adjust blade pitch independently or in twin pitch mode, activate LED trowel lights, and manage optional equipment without interrupting finishing operations. The switch enables real-time pitch adjustments while the trowel is moving or stationary, essential for achieving proper concrete finish quality across varying slab conditions.

Designed for demanding concrete finishing environments, this multifunction switch provides precise control over blade pitch systems including Smart Pitch, Manual, and Panning modes. Failed or malfunctioning switches can result in inability to adjust blade pitch between left and right rotor sets, leading to uneven finish quality and difficult machine control due to improper surface contact with concrete. The switch assembly mounts on the control panel for easy operator access during finishing operations.

Compatible models:

• PRX

Genuine Multiquip OEM part, sold by an authorized dealer.