For Erie/Minneapolis Pattern Curb Boxes.

Used to increase the height of an existing 1” or 1-1/4” Erie/Minneapolis curb box. They slide over the top of the curb box pipe and are secured with a set screw (included) and include threads that accommodate the curb box’s lid, allowing for easy height extension.

For 1" Curb Boxes

Length Trumbull Item No. Weight
3" 367-0170 0.75 lbs.
6" 367-0171 1.25 lbs.
9" 367-0172 1.60 lbs.
12" 367-0173 1.90 lbs.
18" 367-0174 2.20 lbs.
24" 367-0175 2.50 lbs.

For 1-1/4" Curb Boxes

Length Trumbull Item No. Weight
3" 367-0176 1.05 lbs.
6" 367-0177 1.45 lbs.
9" 367-0178 2.25 lbs.
12" 367-0179 3.10 lbs.
18" 367-0180 3.85 lbs.
24" 367-0181 4.35 lbs.