Brine Tank Asm. 18x33 Charcoal w/464

Built for Nelsen-based softeners, the Nelsen 18" x 33" Round Charcoal Brine Tank Assembly with a Nelsen 464 brine valve, alternate part BT1833R-C444, is a complete, ready-to-plumb reservoir. The charcoal polyethylene tank stands up to constant salt exposure and humidity, and the round 18x33 size fits the majority of residential softener installations. As a factory-matched assembly, it takes the compatibility guesswork out of pairing a tank with a valve.

The defining feature of this assembly is the Nelsen 464 brine valve, a reliable safety float that manages the brine refill level and helps prevent accidental overflow. Combined with the included overflow elbow, it keeps salt-water management dependable through every regeneration cycle, even after years of service. You get steady, predictable operation without the risk of mismatched components.

• Round charcoal polyethylene brine tank and cover
• 4" brine well with cap
• Nelsen 464 brine valve assembly
• Brine overflow elbow and connecting tubing
• Sleek charcoal finish

Matching the brine tank to your control valve brand, as with this Nelsen-ready unit, simplifies installation and avoids fitment issues. The tank's job is essential: it stores the softener salt that dissolves into the concentrated brine solution used to flush hardness minerals from the resin bed during regeneration, keeping your home free of scale, spotting, and dry skin. Keep yours efficient by maintaining adequate salt above the water line, clearing any salt bridging, and rinsing out sediment a couple of times a year. The charcoal color gives it a modern, unobtrusive look. From Water Softener Plus on the trusted Nelsen platform, this assembly is a solid replacement for a cracked or leaking brine tank.

A few additional details help you get the most from this unit. Brine tanks like this one work hand in hand with the resin tank: while the resin captures hardness ions during normal service, the brine tank supplies the salt solution that strips those ions away during regeneration, returning the bed to full capacity. Sizing the tank to your salt-use habits and softener grain rating helps avoid frequent refills, and using clean, high-purity softener salt reduces sediment buildup while keeping the safety float and brine line clear.