supply of set of purg-o-matset of purg-o-mat,set of purg-o-mat automatic float air vent valve for roof water tank and vaccum valve :- (1) purg-o-mat automatic float air vent valve with shut-off valve having thread bsp 3/8 to rcfs drg. no. lw 63150, item no. 4, alt. no. e, qty. / kit - 01 no. (2) vaccum valve g -1/2 to rcfs drg. no. lw 63150, item no. 3, alt. no. e. qty. / kit - 2 nos. as per drawing : m/s. hans h. voss tulpenweg or m/s. calefi or m/s. watts industries italy for item no. 4 of rcf drg. lw 63150, alt. e. [ warranty period: 30 months after the date of delivery ] dy.cmm/liluah, er west bengal 358.00 set