RSM International marine UP/DOWN trim switch for boaters who want reliable trim control where it is needed most—at the stern, console, control handle area, or other convenient mounting location. This RSM International Inc. unit corresponds to MPN THTTC-1-DP as identified in marine surplus inventory, and the comparable TTC-1-DP transom trim control is currently sold as a 50 Amp push-button trim switch for outboards, stern drives, and hydraulic jack plates. ([maxmarineoutlet.com](https://maxmarineoutlet.com/product/rsm-international-boat-trim-switch/))Manufacturer and retailer information describes this style of Transom Trim Control Switch as a weatherproof tilt-control system that can be mounted on any flat surface and used for remote adjustment of trim, tilt, or jack plate functions. Comparable TTC-1-DP specifications include black molded plastic housing, raised white lettering, weatherproof control switches, UV-stable housing, 18-inch pigtail wire, and installation instructions on new kits. ([thmarinesupplies.com](https://thmarinesupplies.com/products/push-button-trim-switch))Condition: used-excellent. Expect light cosmetic handling from prior marine use or storage, but this is a clean, desirable replacement part with clear UP/DOWN function labeling. Please review photos for exact wire length, terminals, and cosmetic details. RSM International marine parts and older transom trim controls are not always easy to source, especially as new marine parts pricing continues to rise and boat owners look for quality used and discontinued rigging components.A practical part for outboard trim switch replacement, stern drive tilt control, hydraulic jack plate switch setups, bass boat rigging, restoration projects, and marine service spares. Installation should be performed using proper marine wiring practices, relays where required, and correct boat-specific trim/tilt wiring.#MarineParts #RSMInternational #TrimSwitch #BoatParts