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Cast iron submersible sump pump with vertical float switch

Dayton

Dayton 3BB70 1/3 HP Submersible Sump Pump 120V AC Vertical Float 1-1/2" F

SKU CH-T4A0-WCR1R MPN 3BB70

Removes water from sump basins with a 1/3 HP motor, vertical float switch and cast-iron construction

  • Product typeDrain Components
  • 1/3 HP motor handles demanding sump applications
  • 120 V AC, 60 Hz power suits standard household circuits
  • Vertical float switch activates at 7 1/4 in, deactivates at 3 in
  • Cast iron body and impeller resist corrosion and wear
  • Delivers 50 gpm at 5 ft head, 34 gpm at 15 ft head

1/3 HP Submersible Sump Pump

The Dayton 3BB70 is a 1/3 HP submersible sump pump designed for residential water removal. It operates on 120V AC power at 60 Hz and draws 5.8 amps during operation. A vertical float switch with piggyback electrical connection provides automatic level control. The pump body and impeller are constructed from cast iron for durability.

Vertical Float Switch and Discharge

The pump activates at a 7 1/4 inch water level and shuts off at 3 inches, requiring a sump basin deep enough to accommodate this range. A 1-1/2 inch female discharge outlet connects to standard plumbing fittings. The carbon ceramic shaft seal helps prevent leakage around the motor shaft. Maximum head capacity reaches 30 feet for vertical lift applications.

Suited for Standard Residential Basements

This unit suits homeowners needing automatic water removal in typical basement sump pits with 120V power available. The 9 1/8 inch body diameter fits common basin sizes. Buyers needing higher flow rates at 20 feet of head or greater maximum lift should look at larger capacity models. Those without a grounded 120V outlet near the sump location cannot use this pump.

How it compares

Measured against everything we stock in Drain Stoppers, Strainers & Traps, at today’s prices. Recalculated every night.

Price $215.99
Pricier than about 85% of the 4,240 comparable items (median $31.99).

Specifications

Product
Brand nameDayton
Model name3BB70
Product typeDrain Components

Questions about this item

How much water can this 1/3 HP pump move at a 10-foot discharge head?

At 10 feet of head the cast-iron impeller delivers 43 gallons per minute.

How loud or hot does the 5.8-amp motor get during continuous operation?

The submersible design keeps the motor cool in water, and sound stays below typical basement background levels.

What size discharge pipe fits the 1-1/2" outlet on this unit?

The 1-1/2 inch female thread accepts standard 1-1/2 inch PVC or ABS pipe with a matching male adapter.

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