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High Head Submersible Pumps
by Zoeller

These high head submersible sump and effluent pumps are the perfect solution for residential or light commercial dewatering applications - especially septic systems, low pressure pipe (LPP), and enhanced flow STEP systems. Made of durable cast iron with a corrosion resistant, powder-coated epoxy finish, all models are hermetically sealed to be watertight, dust-tight, and completely submersible. As with every Zoeller pump, each one is 100% pressure-tested, submerged and run to ensure quality and reliability for years of trouble-free performance.

High Head Dose-Mate Submersible Effluent Pumps
150 Series

For septic tank, low pressure pipe (LPP), and enhanced flow STEP systems
Zoeller - 150 series pumps
  • Non-clogging engineered thermoplastic vortex impeller design
  • Hermetically sealed and permanently oil-filled motor: 60 Hz, 3450 RPM
  • Automatic reset thermal overload protected
  • Durable cast iron construction with corrosion resistant powder-coated epoxy finish and stainless steel lifting handle
  • Assembled with stainless steel bolts and carbon/ceramic seals
  • Single seal non-automatic pump (can be purchased with variable level float switch for automatic operation)
  • 20 ft. UL listed power cord with molded 3-wire plug
  • 1-1/2" NPT vertical discharge
  • Operates at temperatures to 130°F (54°C) in effluent applications
  • All models include a 1-1/2" x 2" PVC adapter fitting
  • Model 151 passes 1/2" spherical solids, while models 152 & 153 can pass spherical solids up to 3/4"
  • Model 151 comes standard with a glass-filled polypropylene base
  • View 150 Series pump curve chart & dimensions
Model Description Shut Off HP Amps Volts Price & Quantity
151-0005 BN151 Cast Iron Dose-Mate Pump with VLFS 30' 1/3 6 115V $332.82 Enter a quantity and
152-0002 N152 Cast Iron Dose-Mate Pump 38' 2/5 8.5 115V $316.03 Enter a quantity and
152-0005 BN152 Cast Iron Dose-Mate Pump with VLFS 38' 2/5 8.5 115V $358.12 Enter a quantity and
152-0004 E152 Cast Iron Dose-Mate Pump 38' 2/5 4.3 230V $354.69 Enter a quantity and
152-0006 BE152 Cast Iron Dose-Mate Pump with VLFS 38' 2/5 4.3 230V $397.71 Enter a quantity and
153-0005 BN153 Cast Iron Dose-Mate Pump with VLFS 44' 1/2 10.5 115V $465.89 Enter a quantity and
153-0004 E153 Cast Iron Dose-Mate Pump 44' 1/2 5.3 230V $477.40 Enter a quantity and
153-0006 BE153 Cast Iron Dose-Mate Pump with VLFS 44' 1/2 5.3 230V $521.32 Enter a quantity and
10-2421 Optional Pump Stand - Raises pump 2" off bottom of basin, made of durable non-corrosive ABS $21.43 Enter a quantity and

High Head Flow-Mate Submersible Sump Pumps
140/4140 Series

Available in 140 series single shaft seal or 4140 series double shaft seal design
  • Non-clogging engineered thermoplastic vortex impeller design
  • Hermetically sealed and permanently oil-filled 1 HP motor (60 Hz, 3450 RPM) with automatic reset thermal overload protection
  • Durable cast iron construction with corrosion resistant powder-coated epoxy finish and stainless steel lifting handle
  • Assembled with stainless steel bolts and carbon/ceramic seals
  • Non-automatic pump (can be purchased with variable level float switch for automatic operation)
  • 20 ft. UL listed neoprene power cord with molded plug cap and ground wire
  • Operates at temperatures to 130°F (54°C) in effluent applications
  • Passes 1/2" spherical solids through 1-1/2" NPT discharge outlet (pumps with VLFS also include a 1-1/2" x 2" PVC adapter fitting to increase discharge to 2" if desired)
  • View 140/4140 Series pump curve chart & dimensions
Model Description Shut Off Amps Volts Price & Quantity
140-0002 N140 Cast Iron Flow-Mate Single Seal Pump 50' 12 115V $582.35 Enter a quantity and
140-0005 BN140 Cast Iron Flow-Mate Single Seal Pump with VLFS & PVC adapter 50' 12 115V $616.93 Enter a quantity and
140-0006 BE140 Cast Iron Flow-Mate Single Seal Pump with VLFS & PVC adapter 50' 6 230V $657.46 Enter a quantity and
4140-0002 N4140 Cast Iron Flow-Mate Double Seal Pump 50' 12 115V $737.67 Enter a quantity and
4140-0007 BN4140 Cast Iron Flow-Mate Double Seal Pump with VLFS & PVC adapter 50' 12 115V $766.15 Enter a quantity and
4140-0008 BE4140 Cast Iron Flow-Mate Double Seal Pump with VLFS & PVC adapter 50' 6 230V $809.10 Enter a quantity and
10-2421 Optional Pump Stand - Raises pump 2" off bottom of basin, made of durable non-corrosive ABS $21.43 Enter a quantity and

Extra High Head Flow-Mate Submersible Pumps
160/4160 & 180/4180 Series

Extra high shut offs from 56' to 137' - automatic, non-automatic, single seal, or double seal models available
Automatic pumps turn on at a 14-3/4" water level and pump until the water level is at 5"
  • High head "flow-mate" effluent/dewatering style pump with strong non-clogging cast bronze vortex impeller
  • Choose from a non-automatic pump, an automatic pump (single seal only) with a float operated, submersible (NEMA 6) 2 pole mechanical switch, OR a non-automatic pump with a variable level float switch (operates like an automatic pump)
  • Hermetically sealed and permanently oil-filled motor (60 Hz, 3450 RPM) with automatic reset thermal overload protection
  • Durable cast iron construction with corrosion resistant powder-coated epoxy finish and stainless steel lifting handle
  • Assembled with stainless steel bolts and carbon/ceramic seals
  • 20 ft. UL listed neoprene power cord with molded plug cap and ground wire
  • Operates at temperatures to 130°F (54°C) in effluent applications
  • View 160/4160 Series pump curve chart & dimensions
  • View 180 Series pump curve chart & dimensions

160 Series Automatic or VLFS Single Seal Pumps

Model Description Shut Off HP Amps Volts Price & Quantity
161-0001 M161 Cast Iron Flow-Mate Automatic Pump 56' 1/2 15.5 115V $958.82 Enter a quantity and
163-0034 BN163 Cast Iron Flow-Mate Non-Automatic Pump with VLFS 66' 1/2 15 115V $983.94 Enter a quantity and
Please note: Due to size/weight and to ensure safe delivery, certain pumps may have an additional $60 shipping fee.

160 Series Non-Automatic Single Seal Pumps

Model Description Shut Off HP Amps Volts Price & Quantity
161-0002 N161 Cast Iron Flow-Mate Non-Automatic Pump 56' 1/2 15.5 115V $862.64 Enter a quantity and
163-0002 N163 Cast Iron Flow-Mate Non-Automatic Pump 66' 1/2 15 115V $866.14 Enter a quantity and
Please note: Due to size/weight and to ensure safe delivery, certain pumps may have an additional $60 shipping fee.

180 Series Automatic or VLFS Single Seal Pumps

Model Description Shut Off HP Amps Volts Price & Quantity
188-0018 BE188 Cast Iron Flow-Mate Non-Automatic Pump with VLFS 91' 1-1/2 14 230V $1,161.90 Enter a quantity and
Please note: Due to size/weight and to ensure safe delivery, certain pumps may have an additional $60 shipping fee.

180 Series Non-Automatic Single Seal Pumps

Model Description Shut Off HP Amps Volts Price & Quantity
189-0004 E189 Cast Iron Flow-Mate Non-Automatic Pump 110' 2 17.1 230V $1,172.93 Enter a quantity and
191-0004 E191 Cast Iron Flow-Mate Non-Automatic Drip System Pump - passes 5/8" solids 137' 2 14.5 230V $1,247.64 Enter a quantity and
Please note: Due to size/weight and to ensure safe delivery, certain pumps may have an additional $60 shipping fee.

4160 Series Non-Automatic Double Seal Pumps

Model Description Shut Off HP Amps Volts Price & Quantity
4163-0004 E163 Cast Iron Flow-Mate Non-Automatic Pump 66' 1/2 7.5 230V $1,083.57 Enter a quantity and
Please note: Due to size/weight and to ensure safe delivery, certain pumps may have an additional $60 shipping fee.


Related Items & Accessories



Frequently Asked Questions

Q. "How does a VLFS (variable level float switch) work?"
A.Variable level float switches normally come with a piggyback plug that is plugged into an electrical outlet. The outlet should be a grounded receptacle equipped with a ground fault circuit interrupter. The pump plug is then plugged directly into the female part of the piggyback plug. The float end of the cord is normally attached to the pump discharge pipe, a short distance from the float itself, creating a tether to allow the float to move up or down with the water level. The tether length can be as short as 6" and as long as 36" as long as it can move freely up and down with the water level. When the float rises with the water level to the distance predetermined by the tether length, the float activates a switch internally allowing electricity to flow through the piggyback plug to the pump cord turning the pump on. When the water level decreases, as water is pumped out, the float lowers and shuts off the power to the pump when it reaches the bottom limit of the tether length. Since automatic pumps usually have their own integral float system, variable level float switches should only be used on non-automatic pumps.

Image showing how a float switch operates

Q. "What's the difference between an automatic and non-automatic pump?"
A. An automatic pump has a built in float switch that will turn on the pump automatically at a fixed water level. After the water is pumped out to certain water level (a preset level), the pump will turn itself off. A non-automatic pump has no integral switch, and so would turn on when plugged in, and off when unplugged. A non-automatic (manual) pump can be made to operate automatically by using a separate control like a piggyback float switch (variable level float switch) to provide a switch with flexibility for pumping range adjustments.

Q. "What is a vortex impeller and what does it do?"
A. A vortex impeller handles debris better than other impellers, therefore, helps to prevent the pump from clogging. Below is an example of a vortex impeller.
vortex impeller

Q. "What does the automatic reset thermal overload protection do?"
A. If the pump gets too hot the thermal overload protection will turn it off until the pump cools down (to prevent damage to the motor). The pump turns back on after it has cooled down enough. This backup protection feature is useful if some debris causes the pump to overheat.

Q. "What's the advantage of a double seal over a single seal pump?"
A. The double seal pumps have an extra internal seal to provide extra added protection to the motor in case the primary seal should ever fail. The extra seal also improves the bearing lubrication helping to eliminate bearing and seal damage from accidental dry runs.

Q. "Why is it called a submersible pump?"
A. These pumps are designed to be placed directly in the water. They draw the water up from the bottom of the pump.

Q. "What does 'effluent' mean?"
A. Effluent is the term normally used in the dewatering industry to mean any waste material in a liquid form.


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