Tyco Horizontal Sidewall Sprinkler TY5332 (Series SW-20) 11.2K, Extended Coverage Ordinary Hazard (ECOH) Horizontal Sidewall Sprinklers, Standard Response is decorative glass bulb (3mm) sprinklers designed for use in ordinary hazard occupancies per NFPA 13. It is designed for installation along a wall or the side of a beam and are commonly used instead of pendent or upright sprinklers due to aesthetics or building construction considerations, where piping across the ceiling is not desirable.