TM 55-1930-209-14&P-4 CHAPTER 7 MANUFACTURERS' WARRANTIES/GUARANTEES 7-1 General.  Information on the warranty for chlorination system components is given below. Component Manufacturer Duration Coverage Chlorination Scienco, Inc. 1 year after Material and unit model 49R/A 3240 N.  Broadway shipment workmanship St.  Louis, MO 61347 or 90 days (314) 621-2536 after install- ation, whichever comes first Electrolytic Scienco, Inc. 3 years from Electrolytic cells in 3240 N.  Broadway date of shipment cells repair Scienco unit St.  Louis, MO 63147 or replacement - (314) 621-2536 Metering pump M. Roy Co. 1 year Material and Flow Control workmanship Division 201 Ivyland Road Ivyland, PA 18974 (215) 441-0800 Metering pump Xertex Corp. 18 months Material and control unit Delta Analytical after shipment workmanship model 924 250 Marcus Blvd. or 1 year after Hauppage, NY 11787 installation, (516) 273-6600 whichever comes first Flow switch Transamerica 1 year from Material and FS-550 DeLaval, Inc. date of workmanship Gems Sensors purchase Division Cowles Road Plainville, CT 06062 (203) 677-1311 Air escape Robert H.  Wager 1 year from Material and valve 1600W Co., Inc., date of workmanship Passaic Avenue purchase Chatham, NJ 07928 (201) 6359200 Metering pump See TM 55-1930-209-14&P-9, motor controller Electrical Power Systems 7-1/(7-2 blank)