"Fittings" means all components and materials used to connect pipes to each other or to a tank or dispenser, including but not limited to valves, elbows, joints, flanges, flexible connectors, gaskets, and sealants.
N.H. Admin. Code § Env-Or 402.20
(See Revision Note at chapter heading for Env-Or 400) #10393, eff 9-1-13