Pilot Ignitor Assembly Kit, Compatible Manufacturer Part Number GNU100, GNU37, GNU65, GNU72, GNU75, GNU76, GNU82, GNU91, TNU100, TNU75, TNU82, TNU91, Connection Size Not Applicable, Connection Type Not Applicable, Outside Diameter Not Applicable, Material Brass, Metal Wire, Overall Height 5 in, Overall Length 4.2 in, Application Residential Tank Water Heater Installation, Compatible Grainger Part Number 21XP16, 35Z885, 35Z887, 35Z888, 35Z889, 39F831, 48Z538, 6UT21, For Potable Water Use Yes