8
• The control valve drain connection is 3/4" npt.
• Never decrease the drain piping size to below the
drain connection size.
• Maximum drain line length is 30 feet with proper
sloping the entire length.
• Maximum drain line height is 6 feet above the control
valve.
• The drain line must be piped to an open air gap (See
Figure above)
• Always follow local plumbing codes.
UNDER NO CIRCUMSTANCES SHOULD THERE BE A DIRECT
CONNECTION WITH SANITARY SEWAGE FACILITIES.
NOTE: The drain flow rate during regeneration (backwash)
will be:
MP-MCA-30T 1.7 GPM
MP-MCA-45T 1.7 GPM
MP-MCA-60T 2.7 GPM
*NOT TESTED OR CERTIFIED TO NSF/ANSI STANDARD 44
DRAIN LINE
CONNECTION