PISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTA Â® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.The combination creates a true vortex that effectively separates grit from organics and the waste stream.ISTAÂ® Grit Chamber. High removal efficiencies originate from the PISTA Â® Grit Chamberâs unparalleled hydraulic design, including its flat chamber floor, patented and low-energy axial-flow propeller.
Sunair uses the best brand of motor in the business (Somfy systems). The few problems consumers may experience with retractable awnings are frequently with the local installer. Installed properly, fabric telescoping (what Gary mentioned back in 2010), and motors not stopping are not typically a Sunair issue.
If you have these arms, Model A is still the correct RV Awning Travel Lock. For clarification, please see note below. The Dometic (A&E) Sunchaser was fairly easy to identify because of its U-shaped support arms. But now similar arms are supplied on A&E 8500/9000 awnings.