supply of water boiler of 30 ltrs capacity for hot buffet lhb type coaches generally conforming to is:3412 along with control base & necessary plumbing & tap arrangement on a common base plateconforming to rcfs specification no edts-118, rev-e or latest & drg. no. lh 72221 alt-a or latest , water boiler of 30 ltrs capacity for hot buffet lhb type coaches generally conforming to is:3412 along with control base & necessary plumbing & tap arrangemen t on a common base plate conforming to rcfs specification no edts-118, rev-e or lates t & drg. no. lh 72221 alt-a or latest [ warranty period: 30 months after the date of delivery ] ]