supply of maintenance kit for d1 pilot valve ( m / s rotex type 3081c ) consists of 13 items. 1 ) dome nut pos no. 74-01 no. 2 ) socket head screw 74 - 02 nos. 3 ) guide assly 33 - 01 no. 4 ) guide o ring 32 - 01 no. 05 ) plunger assly 30c / 1 to 30c / 7 - 01 no. 6 ) manifold `o` ring 24 - 02 nos. 7 ) m.a. `o` ring 22 - 01 no. 8 ) pilot `o` ring 21 -01 no. 9 ) body `o` ring 20 - 02 nos. 10 ) seat `o` ring 19 - 02 nos. 11 ) piton `o`ring 18 - 01 no. 12 ) m.a. spring 17 - 01 no. 13 ) valve spring 16 - 01 nos. [ warranty period: 30 months after the date of delivery ]