RainSoft Ultrefiner II User Manual

RainSoft Ultrefiner II

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Rainsoft Division of Aquion, Inc

2080 East Lunt Avenue

Elk Grove Village, Illinois, 60007

1.847.437.9400 or 1.800.860.7638

www.rainsoft.com

™

This product is manufactured in an ISO 9001: 2008 certified facility.

Model Ultrefiner II - FMV - BNFP, Ultrefiner II - FMV - BNFV, Ultrefiner II - FMV - CHFP and Ultrefiner II - FMV -

CHFV are tested and certified by NSF International against NSF/ANSI standard 58 for the reduction of claims specified on

the performance data sheet. Refer to the manufacturer’s Performance Data Sheet for the specific reduction claims.

www.rainsoft.com

Part No.: 16778

Rev: G 01/2014

Not approved for use in California. Please request California-specific product literature from your local RainSoft Dealer.

Table of Contents

Questions and Answers:

A
Amy MoralesJul 26, 2025
What to do if there is extremely low water pressure from the RainSoft Ultrefiner II outlet or faucet?
- G
  gary65Jul 26, 2025
  If you're experiencing extremely low water pressure, first check if the storage tank is collecting water and ensure the storage tank ball valve is in the open position. Also, inspect the water line from the storage tank or outlet to the faucet for any crimps and remove them. If the storage tank air pressure has leaked, recharge the air valve using a bike pump to 8 psi. If water pressure is restored after this, contact your RainSoft dealer, as a new storage tank may be required. If the problem persists, there may be a blockage inside the Ultrefiner II unit.
E
Emily RuizAug 5, 2025
How to fix RainSoft Ultrefiner II Water Filtration Systems when no water is running from the outlet?
- D
  Danielle DouglasAug 5, 2025
  If no water is running from the outlet, first ensure the water supply is turned on. If it is on, check for any blockages in the water supply line and clear them. Also, inspect the incoming water line for any crimps or pinches and remove them. If the issue persists, the membrane cartridge may be fouled and require replacement.

RainSoft Ultrefiner II Specifications

General

Type	Reverse Osmosis System
Filtration Technology	Reverse Osmosis
Filtration Stages	4
Membrane Type	Thin Film Composite (TFC)
Daily Production Capacity	50 gallons
Filter Life	6-12 months
Warranty	Limited lifetime warranty
Production Rate	Up to 50 gallons per day (GPD)

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