HM30 HEATING ZONE CONTROL BOARD ASSEMBLY WITH ENCLOSURE

HEATING ZONE CONTROL KIT FOR USE WITH HM30 UNITS WHEN MORE THAN ONE HEATING ZONE IS REQUIRED, UP TO FOUR AM30 UNITS MAY BE USED WITH THIS KIT TO CREATE UP TO FOUR SEPARATE ZONES, GUIDELINES FOR SIZING STILL APPLY WHEN USING THIS KIT TO INSURE PROPER DOMESTIC WATER CAPACITY, DIMS:2"H x 4"W x 8"D, WEIGHT:1LB 6oZ, ORIGIN:USA, IN MANUFACTURER BOX