🔧 BWG Vico Ultimax 2.0 HP Spa Pump (5235208-S) – Dual-Speed 56 Frame Jet Pump

High-Flow Dual-Speed Performance with Flexible Installation for Any Spa Configuration

💧 Product Overview

The BWG Vico Ultimax 5235208-S is a 2.0 HP dual-speed jet pump manufactured by Balboa Water Group under the Vico brand. Also known as the Niagara series, this pump is engineered to deliver exceptional flow rates exceeding 230 GPM in a compact 56-frame design, making it ideal for medium to large hot tubs and spas.

This pump operates on 230V/60Hz power with dual-speed capability, drawing 8.8 amps on high speed and approximately 2.9–3.0 amps on low speed. The two-speed design allows high-speed operation for powerful jet therapy while low speed enables energy-efficient circulation, filtration, and heating cycles. The multi-directional volute can be rotated in 90-degree increments, providing unmatched plumbing flexibility for virtually any spa cabinet configuration. All seals use carbon ceramic construction with Viton elastomers, engineered to withstand prolonged heat and chemical exposure. California Title 20 compliant and certified by UL, TUV, and CSA.

⭐ Key Features

✅ 2.0 HP Dual-Speed Motor – High speed for powerful jet therapy, low speed for efficient circulation and heating

✅ 56 Frame Thru-Bolt Design – Cool-running compact motor for reliable, long-lasting performance

✅ Flow Rates Exceeding 230 GPM – Delivers powerful water flow for medium to large spas with multiple jets

✅ Multi-Directional Volute – Discharge can be rotated in 90-degree increments (12, 3, 6, or 9 o’clock) for flexible plumbing configurations

✅ Carbon Ceramic Seals with Viton Elastomers – Chemical-resistant seals engineered for prolonged heat and spa chemical exposure

✅ 2″ MBT Connections – Both suction and discharge use 2″ Male Buttress Thread (approximately 3-1/16″ across threads)

✅ Center Suction / Side Discharge – Suction on front center face, discharge on side with radial orientation

✅ California Title 20 Compliant – Meets strict energy efficiency regulations

✅ Can Be Wired for Single Speed – Dual-speed motor can also be configured for single-speed operation if needed

✅ UL, TUV, and CSA Certified – Meets North American safety standards for residential and commercial use

✅ 3/8″ Auxiliary Barb Ports – Side stream ports on both suction and discharge for ozonator venturi or other accessories

🔩 Technical specifications

🔧 Exploded diagram and parts

This part belongs to the Balboa Vico Ultimax, 2" & 2-1/2" Suction, 48/56 Frame, Spa Pump assembly. Everything listed below is something we stock for it, and the numbers match the diagram.

Complete pumps

Complete wet ends

Parts that go with this

⚡ Electrical Requirements

⚠️ IMPORTANT ELECTRICAL SAFETY NOTICES:

• Hot tubs and spas require GFCI (Ground Fault Circuit Interrupter) protection as mandated by NEC.
• A dedicated 230V circuit is required — do not share with other appliances.
• Verify your existing pump’s voltage before ordering. Using the wrong voltage will damage the motor and void the warranty.
• The pump cord is sold separately. Compatible cords include the 2-speed AMP connector cord (21087) or mini JJ molded cord depending on your spa pack connection type. You may also reuse your existing pump cord.

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🔄 Compatibility Guide

Port & Frame Specifications

Specification	This Pump (5235208-S)
Frame Type	56 Frame Thru-Bolt
Suction	2″ MBT — Center (front face)
Discharge	2″ MBT — Side (rotatable 90° increments)
Thread OD	~3-1/16″ across threads
Union Size Needed	2″ Female Buttress Thread (FBT)

Compatible Union Fittings (Sold Separately)

Union Part #	Description
Magic Plastics 0602-20	2″S × 2″ FBT Pump Union with O-Ring
O-43	Replacement O-Ring for 2″ pump union
415-6010 + O-301	Adapter for 2-1/2″ suction plumbing (if converting from a discontinued 2-1/2″ suction model)

Compatible Pump Cords (Sold Separately)

Cord Part #	Description
21087	2-Speed AMP Plug Cord, 14/4, 72″ Long
30-1001C	2-Speed AMP Connector Pump Cord, 14/4
30-0220-48-K	Mini JJ Molded 2-Speed Pump Cord, 48″

Replaces / Cross-Reference Part Numbers

This pump (5235208-S) is a direct replacement for the following discontinued or older model pumps. Always verify amperage matches (8.8A high speed) before ordering:

Primary Cross-References:

• 5235208-B
• 1016012
• 1016039
• 1016062
• 1016169
• 1016204
• 951494
• BB5235208S

Additional Replacement Models:

• 1015052
• 1015109
• 1015112 (1-Speed — wire to high speed only)
• 1016010
• 1016016
• 1016020-NHP
• 1016030
• 1016168 (Cal Spas, PL390)
• 1016181
• 1016182
• 1016191
• 1016206
• 1016209
• 1016228 (5HPR)
• 1056010
• 1056062
• 1056191

OEM / Spa Brand Part Numbers:

• PUUMSC2252582F
• PUUMSC2252582FJ
• PUUMSC2252582FR
• PUUMS2502582F
• PUUMSC2202582F
• PUUMSC2502582FR
• PUBFSC2252582F
• PUUPS2482582F
• PUUM56H25UM8M3
• PUUM562H26UM8M1 (verify pump model)
• PUMMSC2402582FR
• PL346
• PL347
• PL390
• PL391 (Cal Spas)
• X320377
• 630-6101 (1.5 HP — verify compatibility)

Motor-Only Cross-References (verify wet end compatibility):

• 5KCR48TN2351CX
• 5KCR48TN2351X
• 5KCR48TN2351BX
• 5KCP49TN9069X

Known Compatible Spa Brands

This pump has been documented as an OEM or replacement pump in spas from the following manufacturers:

• Coleman Spas
• Cal Spas
• Marquis Spas

⚠️ Always verify frame size, plumbing connections, amperage, and voltage match your existing pump before ordering. Horsepower ratings vary between manufacturers — match the amp draw (8.8A high speed) for proper replacement.

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🛠️ Installation Requirements

Mounting

Requirement	Specification
Mounting Position	Horizontal
Base	Solid, level surface with vibration-dampening pad
Motor Ventilation	Ensure adequate airflow around motor for cooling — do not block motor vents
Service Access	Allow sufficient clearance for maintenance and seal replacement

Plumbing Connections

Connection	Size	Type
Suction (Intake)	2″	Male Buttress Thread (MBT) — Center face
Discharge (Output)	2″	Male Buttress Thread (MBT) — Side
Union Required	2″ FBT	Magic Plastics 0602-20 or equivalent

Discharge Rotation

The volute can be rotated in 90-degree increments to position the discharge at 12, 3, 6, or 9 o’clock. To rotate:

1. Remove the four long thru-bolts at the back of the motor
2. Rotate the wet end (volute) to the desired position
3. Reinstall and tighten bolts evenly

⚠️ The pump ships with discharge in the 12 o’clock (top) position by default.

Installation Notes

⚠️ Pump must be installed below water level (flooded suction) for proper operation.

⚠️ Never run the pump dry — this causes immediate seal damage and voids the warranty.

⚠️ Ensure proper grounding and bonding per NEC requirements.

⚠️ GFCI protection is required by code for all hot tub and spa installations.

⚠️ Do not use pipe compound or Teflon tape on union threads — these connections use O-ring seals only.

⚠️ May require water slinger removal and possible impeller shaft adjustment during installation — consult the pump documentation.

⚠️ Save your old pump’s power cord — reuse the existing cord connector that matches your spa pack, or purchase a compatible replacement cord separately.

⚠️ The motor includes an automatic-reset thermal overload protector for overheat protection.

🔩 Maintenance Guide

Routine Maintenance

Task	Frequency	Notes
Check for leaks	Monthly	Inspect around seal area and union connections
Inspect union connections	Monthly	Tighten if needed; check O-rings for wear
Clean strainer/filter	As needed	Remove debris to maintain proper flow
Check motor amperage	Annually	Should match rated values (8.8A high / 2.9–3.0A low)
Inspect motor vents	Quarterly	Keep clear of debris for proper cooling
Check mounting bolts	Quarterly	Tighten if loose; check for vibration damage
Inspect auxiliary barb ports	Quarterly	Ensure caps are secure if not in use
Verify drain plug	Before winterizing	Use drain plugs to remove standing water

Warning Signs — Replace Pump If:

• Unusual noise such as grinding, screeching, or humming without rotation
• Water leaking from the seal area
• Motor repeatedly trips the circuit breaker
• Reduced water flow or jet pressure
• Motor overheating or automatic shutoff activating frequently
• Visible corrosion or damage to the wet end

Seal Replacement

⚠️ Important: Vico/Balboa has used different seal types over the years. You must identify which seal your specific pump uses before ordering a replacement:

Seal Type	Part Number	Notes
Old Style	PS2136 (also 5190-016, 48-0065-S)	Includes rubber cup/boot; used in older Ultimax pumps
New Style	PS201 (also 1213002, 1213004)	Standard shaft seal; used in newer production

Both seal types fit a 3/4″ shaft diameter. Check your existing seal or the exploded parts diagram included with your pump to confirm the correct type.

⚠️ Replace the seal at the first sign of leakage to prevent further damage.

🎯 Ideal Applications

Application	Suitability	Notes
♨️ Hot tub jet pump	✅ Yes — Primary use	Designed for medium to large spas with multiple jets
♨️ Spa circulation (low speed)	✅ Yes	Low speed provides energy-efficient filtration and heating circulation
♨️ Coleman Spa replacement	✅ Yes	Direct replacement for many Coleman Spa models
♨️ Cal Spa replacement	✅ Yes	Documented replacement for Cal Spa PL390/PL391 models
♨️ Multi-pump configurations	✅ Yes	Suitable for zone therapy and multi-pump spa setups
🛁 Whirlpool bath	⚠️ Verify	Requires 230V supply and compatible plumbing

❓ Frequently Asked Questions

Q: What horsepower is this pump? A: This pump is rated at 2.0 HP continuous duty with a 3.0 break horsepower (BHP). It may be marketed by some spa manufacturers as a 2.5 HP, 5 HP, or even 6 BHP pump — these inflated ratings use brake torque horsepower for marketing purposes. The true continuous duty rating is 2.0 HP. Always match by amperage (8.8A high speed) rather than stated horsepower.

Q: Will this fit my hot tub? A: This pump has a 56-frame thru-bolt motor with 2″ MBT connections (approximately 3-1/16″ across the threads). It uses center suction and side discharge. Check your existing pump’s frame type, connection size, amperage, and voltage for compatibility. If your existing pump draws 8.8 amps on high speed at 230V with 2″ plumbing, this is likely a compatible replacement.

Q: What voltage does this pump require? A: This pump requires 230V / 60Hz. All electrical installation must be performed by a licensed electrician. Using the wrong voltage will damage the motor and void the warranty.

Q: Is this a single or dual speed pump? A: This is a dual-speed (2-speed) pump. High speed powers the jets for hydrotherapy, and low speed provides energy-efficient circulation for filtration and heating. It can also be wired for single-speed operation if needed.

Q: What size are the ports? A: Both suction and discharge use 2″ Male Buttress Thread (MBT), which measures approximately 3-1/16″ across the outside of the threads. The suction is on the center front face, and the discharge is on the side. You will need 2″ FBT pump unions (such as Magic Plastics 0602-20) to connect the plumbing.

Q: Can I rotate the discharge direction? A: Yes. The volute can be rotated in 90-degree increments (12, 3, 6, or 9 o’clock positions) by loosening the four thru-bolts at the back of the motor and rotating the wet end. The pump ships with discharge at the 12 o’clock (top) position.

Q: Does a power cord come with this pump? A: No — the power cord is sold separately. You can reuse your existing pump cord if it matches. Compatible replacement cords include the 2-speed AMP plug cord (21087) or mini JJ molded cord (30-0220-48-K), depending on your spa pack connection type.

Q: What seal does this pump use? A: Vico has used two types of seals: the old-style PS2136 and the new-style PS201. Both fit a 3/4″ shaft. Check your existing seal or the pump’s exploded parts diagram to determine which style your pump uses.

Q: What warranty is included? A: This pump includes a 1-year manufacturer limited warranty from the date of purchase. Contact Parts4Tubs for full warranty terms and conditions.

Q: How do I know if my pump needs replacing? A: Common signs include unusual noise (grinding, screeching), water leaking from the seal area, reduced jet flow, the motor repeatedly tripping the circuit breaker, or the motor overheating.

Q: Do I need a GFCI breaker? A: Yes, GFCI (Ground Fault Circuit Interrupter) protection is required by the National Electrical Code (NEC) for all hot tub and spa installations.

Q: My old pump is labeled as 5 HP or 6 BHP — is this the right replacement? A: Very likely, yes. Many spa manufacturers use inflated brake torque horsepower ratings for marketing. If your old pump draws approximately 8.8 amps on high speed at 230V with 2″ plumbing and a 56 frame, this 2.0 HP Ultimax pump is the correct replacement. Always verify by matching amperage rather than stated HP.

Q: What is the difference between model 5235208-S and 1016012? A: Both are BWG Vico Ultimax 2.0 HP, 230V, 2-speed, 56-frame pumps with 2″ MBT connections and side discharge. The different part numbers reflect different production runs or ordering channels. The 5235208-S is a value-oriented version with equivalent core specifications.

🏆 Why Choose the BWG Vico Ultimax 5235208-S

✅ Powerful 2.0 HP Continuous Duty Motor — Delivers flow rates exceeding 230 GPM for strong jet performance

✅ Energy-Efficient Dual-Speed Operation — Low speed saves energy during filtration and heating cycles

✅ Flexible Installation — Multi-directional volute rotates in 90° increments to fit any spa cabinet layout

✅ Durable Carbon Ceramic Seals — Viton elastomers resist heat and chemical degradation for long service life

✅ Cool-Running 56 Frame Motor — Thru-bolt design runs cooler and lasts longer than smaller frame alternatives

✅ Wide Compatibility — Replaces dozens of discontinued Vico, Coleman, Cal Spa, and other brand pump models

✅ California Title 20 Compliant — Meets strict energy efficiency regulations

✅ UL, TUV, and CSA Certified — Tested and approved to North American safety standards

🤝 Why Buy from Parts4Tubs

✅ US-based support for American customers

✅ Fast shipping across the United States

✅ Expert advice from spa and hot tub specialists

✅ Competitive pricing

✅ Full warranty support

✅ Hassle-free returns

✅ Replacement seals, cords, unions, and parts available

✅ Dedicated customer service team

✨ Summary

The BWG Vico Ultimax 5235208-S is a 2.0 HP dual-speed jet pump built by Balboa Water Group with a compact 56-frame thru-bolt motor, 2″ MBT center suction and side discharge, and flow rates exceeding 230 GPM. Carbon ceramic seals with Viton elastomers ensure durability against heat and chemicals. UL/TUV/CSA certified and California Title 20 compliant, this pump replaces dozens of discontinued models from Coleman, Cal Spa, and other brands. A versatile, reliable, and energy-efficient choice for any spa owner needing a powerful replacement jet pump.

Unions and pump cords: pick the union size that matches your pump's ports (see the size chart below), and a 4-wire cord for a 2-speed pump.

How do I Replace a Hot Tub Pump?

Here's a general step-by-step guide on how to replace a hot tub pump. Keep in mind that the specific steps may vary depending on your hot tub's make and model, so it's essential to consult your hot tub's manual for model-specific instructions. If you're not comfortable with this procedure, it's a good idea to seek professional assistance.

Materials You'll Need:

• Replacement pump
• Screwdriver
• New union O-rings
• A strap wrench, only if a union nut is stuck
• PVC primer and cement, only if you are gluing in new tailpieces

Procedure:

1. Turn Off the Power: Before you begin, ensure the hot tub's power supply is turned off at the circuit breaker or disconnect switch. Safety should always be a priority when working with electrical components.

2. Drain the Hot Tub: If your hot tub is not already empty, you'll need to drain it. Follow your hot tub's manual or manufacturer's instructions for proper draining. (You might not need to do this if you can lock the pump off with the gate valves)

3. Locate the Pump: Identify the location of the existing pump in your hot tub. It's usually located near the equipment area or in a designated pump compartment.

4. Disconnect the Electrical Wiring: Carefully disconnect the electrical wiring from the old pump. This typically involves removing the electrical conduit cover, unscrewing wire nuts, and disconnecting the wires from the terminals. Be sure to note the wire connections or take a picture for reference when connecting the new pump.

5. Disconnect the Plumbing: Depending on your hot tub's plumbing setup, you'll need to disconnect the plumbing connections to the pump. Unscrew the union nuts by hand. If one is stuck, use a strap wrench rather than a pipe wrench, which can crack the nut. Be prepared for some water spillage when disconnecting the plumbing.

6. Remove the Old Pump: Once the electrical and plumbing connections are detached, carefully remove the old pump from its mounting position. Some pumps may be secured with mounting brackets or bolts.

7. Prepare the New Pump: If the new pump is not pre-assembled, you may need to attach fittings, unions, or adapters to match your hot tub's plumbing. Pump unions use buttress threads that seal on an O-ring, so fit new O-rings and hand-tighten the nuts. Do not use thread tape, pipe dope or sealant on them.

8. Mount the New Pump: Position the new pump in the same location as the old one and secure it in place using the mounting brackets or bolts.

9. Reconnect Plumbing: Reconnect the plumbing to the new pump, hand-tightening the union nuts. If you are gluing in new PVC tailpieces, use PVC primer and cement on those joints.

10. Reconnect Electrical Wiring: Reconnect the electrical wiring to the new pump, following the notes or pictures you took earlier. Make sure all wires are properly connected and secure.

11. Turn On the Power: Restore power to the hot tub by switching on the circuit breaker or reconnecting the disconnect switch.

12. Test the Pump: Turn on the hot tub's pump to ensure that it's working correctly. Check for any signs of leaks or irregularities in the plumbing connections.

13. Refill the Hot Tub: Once you've confirmed that the new pump is functioning properly, refill the hot tub with water.

14. Check for Leaks: Inspect the plumbing connections for any leaks. If you find any, turn off the pump, drain the tub again, and reseal the connections as needed.

15. Monitor: Keep an eye on the pump and plumbing for the next few days to ensure everything is functioning correctly and that there are no further issues.

Remember that this is a general guideline, and the specific steps may vary based on your hot tub's design. If you're unsure or uncomfortable with any aspect of this process, please do get in touch, happy to help.

How do I know what size hot tub pump I have?

Determining the size of your hot tub pump is an important step when it comes to maintenance or replacement. To find out the size of your hot tub pump, follow these steps:

1. Check the Manual: The easiest way to determine the size of your hot tub pump is to consult the owner's manual or user documentation that came with your hot tub. The manual typically contains detailed information about the specifications and components of your hot tub, including the pump.

2. Look at the Pump Housing: If you don't have access to the manual or it doesn't provide the information you need, inspect the pump itself. Most hot tub pumps have a label or plate on the pump housing that displays essential details, including the pump's model number, manufacturer, and specifications. You can then send that to me or Google it.

3. Measure the Pump: If the label is missing or damaged, you can measure the pump's dimensions. Measure the diameter of the pump's wet end (the part where the water flows) and the length of the wet end. These measurements can help identify the size and capacity of the pump.

4. Consult the Manufacturer: If you can't find the information on the pump or in the manual, contact the hot tub manufacturer or a reputable dealer. Provide them with your hot tub's model and serial number, and they should be able to identify the correct pump size for your specific hot tub.

5. Online Research: You can also search online using the pump's model number or hot tub's make and model. Many manufacturers provide detailed information about their products on their websites, and you may find specifications for your pump model.

Once you have determined the size and specifications of your hot tub pump, you can proceed with maintenance, repairs, or replacement if necessary. Keep in mind that replacing a hot tub pump with the same size and capacity as the original is crucial to ensure proper water circulation and filtration in your hot tub. If you're unsure about any aspect of this process, get in touch, always happy to help.