The Hoffman Specialty 604001 is a replacement cover assembly for 3/4" and 1" float and thermostatic steam trap models FT015H-3 and FT015H-4, with maximum operating pressures of 15 psi. The cover assembly includes the thermostat assembly, float lever and valve assembly, float ball assembly, cover gasket, and cover casting. All the internal parts are pre-assembled to a cover casting, allowing for a complete rebuild of the steam trap without removing the trap body from the piping.