Manually pulling a chain opens the valve, allowing air to reach the horn. To silence the horn, release the pull chain. Use the Model 803-LV to manually operate air horns, that require a high pressure on-board air system. The valve has brass fittings making installation easy and leak free to ¼” O.D. high pressure air hose. Mounting hardware include. English/Spanish instructions included.
Pull chain is metal bright chrome plated
Fittings: brass for ¼” O.D. high pressure air hose