supply of water heater of 30 ltrs. capacity for hot buffet lhb type coaches generally conforming to is: 3412 along with control box & necessary plumbing & tap arrangement on a common base plate conforming to rcf specification no. edts-118, rev.-e or latest & drg. no. lh 72211, alt.-b or latest. , water heater of 30 ltrs. capacity for hot buffet lhb type coaches generally conforming t o is: 3412 along with control box & necessary plumbing & tap arrangement on a common base plate c onforming to rcf specification no. edts-118, rev.-e or latest & drg. no. lh 72211, alt.-b or latest. [ warranty period: 30 months after the date of delivery ] ]