Reliable (RASCO) Model J1 Wrench is designed to speed installation or removal of Reliable (RASCO) fire sprinklers. Model J1 fits many 3/4 in. (19.1 mm) NPT fire sprinklers, including those in the JL-14, JL-17, J168, J112, & JL112 series.
Reliable (RASCO) Model J1 Wrench is designed for use with select pendent, upright, and early suppression fast response (ESFR) fire sprinklers. This wrench should not be used with recessed pendent fire sprinklers.
Compatible sprinkler identification numbers (SINs) for Reliable (RASCO)'s Model J1 wrench include: