Pressure-assist tank handle assemblies and trip levers are components for replacing the handle on pressure-assisted toilets. They're used to repair or replace handles that have loosened, are sagging, or no longer activate flushing.,Pressure-assist tank repair parts help fix leaks and restore proper flushing on pressure-assisted toilets to avoid the expense of replacing the entire toilet. These toilet tank parts are only compatible with pressure-assist tanks, which supply high-powered flushing in restrooms where water pressure is too low for tankless toilets. Pressure-assist tank components are typically not interchangeable between brands or different models of the same brand.