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Replace only the worn cutting head
Factory replacement lid cover for Autotrol 255
and low hardness conditions that degrade conventional greensand media over time
Dual O-ring design creates a leak-resistant seal even under pressure fluctuations
Maximum Temperature 122°F (50°C) Operating pH Range 4
Structural (BT-1840-BK-SBV) 18" X 40" Round Brine Tank Black Safety Brine Valve Assembly Phosphate3829 Replace only the worn cuttingThe Structural BT 1840 BK SBV is an 18" x 40" round brine tank designed for residential and light commercial water softener systems, featuring an integrated black safety brine valve assembly for secure salt dissolution and regeneration. This tank provides ample capacity for extended softening cycles while maintaining a compact footprint suitable for most installation environments. SPECIFICATIONS Structural BT 1840 BK SBV Technical Details Model Number
