For maximum performance, it is recommended to change all filter cartridges and post filter every 6 months, but replacement schedules will vary with water quality. Membrane elements (sold separately) are recommended to be replaced yearly.

Reverse OsmosisSystem

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

Series HCTA-300 metered demand duplex alternating water softeners for hardness reduction have 3 inch (80mm) connection size. These pre-engineered systems are suitable for commercial applications ranging from 300,000 to 1,050,000 grain capacities and flow rates up to 280 gpm. Models: M4110TA-39NT; M4112TA-39NT; M4114TA-39NT; M4116TA-39NT, and M4118TA-39NT.

RO System

Series HCTA-300 metered demand duplex alternating water softeners for hardness reduction have 3 inch (80mm) connection size. These pre-engineered systems are suitable for commercial applications ranging from 300,000 to 1,050,000 grain capacities and flow rates up to 280 gpm. Models: M4110TA-39NT; M4112TA-39NT; M4114TA-39NT; M4116TA-39NT, and M4118TA-39NT.

This filter kit contains pre and post filters only (membrane not included) and is intended for the semi-annual filters change-outs (between membrane replacements) or if the membrane is purchased separately.