hot water boiler stainless steel 30 ltrs capacity operating voltage 230 volt ac 50 hz as per rc f spec no edts 130 rev b drg no lw73204 as per specn rcf spec no edts 130 rev b drg no lw73204 warranty period 30 months after the date of delivery quantity tolerance 5 age item category normal total po value variation permitted max 8 lacs