Monarch BSE-S75 Electric Motor Driven Utility Pump & Repair Parts
Reliable Water Transfer: The Monarch BSE-S75
The Monarch BSE-S75 Electric Motor Driven Utility Pump is a rugged, self-priming solution designed for residential and industrial liquid transfer applications. Engineered with a powerful 3/4 HP industry-standard motor, this pump delivers consistent performance for handling fertilizer, salt water, dirty water, and other fluids.
Built for longevity, the BSE-S75 features a durable cast iron construction. Unlike plastic alternatives, this pump is designed to withstand harsh environments and rigorous use. The intelligent design includes a large casing chamber that facilitates rapid self-priming once the initial fill is complete, making it incredibly simple to operate and maintain.
Key Features and Benefits
- Durable Cast Iron Construction: The casing is made of rugged cast iron, ensuring maximum durability and resistance to wear in tough conditions.
- Corrosion-Resistant Impeller: Features a semi-open cast iron impeller. It is “blind hole tapped,” a specialized design that prevents liquid from contacting the motor shaft, ensuring the liquid will not corrode the shaft.
- Rapid Self-Priming: Engineered with a large volume casing that primes itself quickly after the initial fill.
- Easy Priming Access: The priming plug is designed to fit a standard garden hose, allowing for hassle-free priming without specialized tools.
- High-Quality Motor: The BSE-S75 comes with a reliable 3/4 HP motor (Capacitor Start) that uses a higher service factor than standard NEMA dual compartment motors.
Common Applications
- Liquid Fertilizer Transfer: Ideal for agricultural applications requiring the movement of liquid nutrients.
- Salt Water Handling: Capable of pumping salt water without immediate corrosion of the shaft.
- General Dewatering: Efficiently moves dirty water from sumps, basements, or flooded areas.
- Lawn and Sprinklers: Provides the necessary flow and pressure for irrigation systems.
Technical Specifications
Dimensions
| Model | Discharge A (NPT) | Suction B (NPT) | Priming Plug C (NPT) | Drain Holes D (NPT) | Mounting E | F | G | H | J | K | L | M | N | P | Q |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BSE-S50 | 1 1/4 | 1 1/4 | 3/4 | 3/4 | .44x.94 | 4.00 | 2.00 | 7.75 | 10.00 | 4.88 | 7.50 | 14.60 | 3.18 | 8.06 | 3.00 |
| BSE-S75 | 1 1/4 | 1 1/4 | 3/4 | 3/4 | .44x.94 | 4.00 | 2.00 | 7.75 | 10.00 | 4.88 | 7.50 | 15.40 | 3.18 | 8.06 | 3.00 |
| BSE-S100 | 1 1/4 | 1 1/4 | 3/4 | 3/4 | .44x.94 | 4.00 | 2.00 | 7.75 | 10.00 | 4.88 | 7.50 | 15.80 | 3.18 | 8.06 | 3.00 |
| BSE-S150 | 2 | 2 | 3/4 | 3/4 | .44x.94 | 4.25 | 2.12 | 8.50 | 11.12 | 4.88 | 8.50 | 16.80 | 3.18 | 7.37 | 3.00 |
| BSE-S200 | 2 | 2 | 3/4 | 3/4 | .44x.94 | 4.25 | 2.12 | 8.50 | 11.12 | 4.88 | 8.50 | 17.20 | 3.18 | 7.37 | 3.00 |
Performance Chart
| Total Head in Feet | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Model No. | RPM | HP | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
| BSE-S50 | 3450 | 1/2 | 55 | 46 | 32 | 10 | 0 | – | – | – |
| BSE-S75 | 3/4 | 65 | 50 | 35 | 10 | 0 | – | – | – | |
| BSE-S100 | 1 | 80 | 70 | 60 | 42 | 20 | – | – | – | |
| BSE-S150 | 1 1/2 | 102 | 78 | 55 | 35 | 8 | 0 | – | – | |
| BSE-S200 | 2 | 126 | 103 | 80 | 58 | 32 | 10 | 0 | – | |
Order Information
| BSE-S Series – Electric Motor Driven – Self Priming | ||||||
|---|---|---|---|---|---|---|
| Model No. | Order No. | HP | Suct. NPT | Disch. NPT | Electrical Characteristics | Ship Wt. (lbs.) |
| BSE-S50 | 615631 | 1/2 | 1 1/4″ | 1 1/4″ | 1/60/115/230V Capacitor start | 41 |
| BSE-S75 | 615632 | 3/4 | 1 1/4″ | 1 1/4″ | 1/60/115/230V Capacitor start | 42 |
| BSE-S100 | 615633 | 1 | 1 1/4″ | 1 1/4″ | 1/60/115/230V Capacitor start | 46 |
| BSE-S150 | 615634 | 1 1/2 | 2″ | 2″ | 1/60/115/230V Capacitor start | 52 |
| BSE-S200 | 615635 | 2 | 2″ | 2″ | 1/60/115/230V Capacitor start | 60 |
Repair Parts
| Ref. # | Code # | Qty. | Used on Models (BSE) | Description |
|---|---|---|---|---|
| 1 | 438020 | 1 | 33, 50, 75, 100 | Casing – 1 1/4 – ‘C’ Face |
| 1 | 438021 | 1 | S33, S50, S75, S100 | Casing – 1 1/4 – Sq. Fl. |
| 1 | 438030 | 1 | 150 | Casing – 1 1/2 – ‘C’ Face |
| 1 | 438029 | 1 | S150, S200 | Casing – 2 Sq. Fl. |
| 1 | 438040 | 1 | 200 | Casing – 2 ‘C’ Face |
| 2 | 438092 | 1 | S33 | Impeller – 1/3 Hp Sq. Fl. |
| 2 | 438090 | 1 | 33 | Impeller – 1/3 Hp ‘C’ Face |
| 2 | 438105 | 1 | S50 | Impeller – 1/2 Hp Sq. Fl. |
| 2 | 438100 | 1 | 50 | Impeller – 1/2 Hp ‘C’ Face |
| 2 | 438106 | 1 | S75 | Impeller – 3/4 Hp Sq. Fl. |
| 2 | 438110 | 1 | 75 | Impeller – 3/4 Hp ‘C’ Face |
| 2 | 438111 | 1 | S100 | Impeller – 1 Hp Sq. Fl. |
| 2 | 438120 | 1 | 100 | Impeller – 1 Hp ‘C’ Face |
| 2 | 438121 | 1 | S150, S200 | Impeller – 1 1/2 Hp Sq. Fl. |
| 2 | 438130 | 1 | 150 | Impeller – 1 1/2 Hp ‘C’ Face |
| 2 | 438131 | 1 | S200 | Impeller – 2 Hp Sq. Fl. |
| 2 | 438140 | 1 | 200 | Impeller – 2 Hp ‘C’ Face |
| 4 | 438245 | 1 | All S Models | Sq. Fl. Motor Mount |
| 5 | 438241 | 1 | S33, S50, S75, S100 | Seal Plate Adapter – Sq. Fl. Motor |
| 5 | 438242 | 1 | S150, S200 | Seal Plate Adapter – Sq. Fl. Motor |
| 5 | 438240 | 1 | 33, 50, 75, 100 | Motor Mount Adapter – ‘C’ Face |
| 5 | 438260 | 1 | 150, 200 | Motor Mount Adapter – ‘C’ Face |
| 9 | 246801 | 1 | All S Models | End Cap |
| 21 | 120030 | 4 | S33, S50, S75, S100 | Bolt 3/8 UNC x 1 1/2 |
| 21 | 164651 | 4 | S150, S200 | Stud 3/8 UNC x 2 |
| 21 | 119990 | 8 | 33, 50, 75, 100, 150, 200 | Bolt 3/8 UNC x 3/4 |
| 23 | 227830 | 4 | S150, S200 | Nut 3/8 UNC |
| 34 | 176230 | 4 | All S Models | Spring Washer |
| 34 | 175500 | 4 | All Models (C-Face) | Plain Washer |
| 35 | 174220 | 4 | All Models | Alum Washer |
| 38 | 185650 | 2 | All Models | Pipe Plug – 3/4 NPT |
| 39 | 193920 | 1 | S33, S50, S75, S100 | Gasket |
| 39 | 193930 | 1 | S150, S200 | Gasket |
| 40 | 191790 | 1 | All Models | Flinger |
| 45 | 240104 | 1 | All Models | Seal 5/8 I.D. Type A |
| 45 | 240316 | 1 | All Models | Seal 5/8 I.D. Type B |
| 50 | 204081 | 1 | S33 | Motor – 1/3 Hp – 115V – Sq. Fl. |
| 50 | 204070 | 1 | 33 | Motor – 1/3 Hp – 115V – ‘C’ Face |
| 50 | 204073 | 1 | S50 | Motor – 1/2 Hp – 115/230V – Sq. Fl. |
| 50 | 204110 | 1 | 50 | Motor – 1/2 Hp – 115/230V – ‘C’ Face |
| 50 | 204125 | 1 | S75 | Motor – 3/4 Hp – 115/230V – Sq. Fl. |
| 50 | 204140 | 1 | 75 | Motor – 3/4 Hp – 115/230V – ‘C’ Face |
| 50 | 204154 | 1 | S100 | Motor – 1 Hp – 115/230V – Sq. Fl. |
| 50 | 204160 | 1 | 100 | Motor – 1 Hp – 115/230V – ‘C’ Face |
| 50 | 204179 | 1 | S150, S200 | Motor – 1 1/2 Hp – 115/230V – Sq. Fl. |
| 50 | 204180 | 1 | 150 | Motor – 1 1/2 Hp – 115/230V – ‘C’ Face |
| 50 | 204186 | 1 | S200 | Motor – 2 Hp – 230V – Sq. Fl. |
| 50 | 204190 | 1 | 200 | Motor – 2 Hp – 115/230V – ‘C’ Face |
Frequently Asked Questions
What makes the BSE-S75 resistant to corrosion?
The BSE-S75 features a blind hole tapped impeller. This design prevents liquid from ever coming into contact with the motor shaft, ensuring the shaft does not corrode, even when pumping salt water or fertilizer.
Is the Monarch BSE-S75 self-priming?
Yes, the BSE-S75 is a self-priming utility pump. It features a large casing chamber that holds enough water to allow the pump to re-prime itself quickly after the initial filling.
What size hose works with the priming plug?
The priming plug is conveniently designed to fit a standard garden hose, making it very easy to fill and prime without specialized tools.
What voltage does the motor use?
The BSE-S75 is equipped with a 115/230V Capacitor Start motor (1 Phase, 60 Hz). Always verify wiring diagrams on the motor plate before installation.