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Saratoga Spa 4.0kW 230V Low Flow Heater C2400-C3037-2 230V - Bubbles Supply

Saratoga Spa 4.0kW 230V Low Flow Heater C2400-C3037-2

Part #: C2400-C3037-2

$405.86
In stock — ships today
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🔒 Secure checkout↩️ 30-day returns✅ 1-year warranty
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Fits these systems

Saratoga Spa

Not seeing your system? Send us a photo for a free ID.

Also replaces

C2400-C3037-2
1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

Before you buy — quick checklist

  • Confirm your spa is a Saratoga model and verify the existing heater SKU or part number before ordering
  • Check your spa's voltage — this heater requires 230V and is not compatible with 120V systems
  • This is a low flow heater designed to work with circulation pumps — confirm your system uses a dedicated circ pump rather than a high-flow jet pump for heating
  • Inspect the existing heater for physical damage to manifold, unions, or pressure switch before assuming only the heater element needs replacement
  • Note the HH (high heat) and OH (overheat) fault codes on your spa controller — these are the primary indicators this heater needs replacing, but also check flow and filtration before condemning the heater

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Exact part number

C2400-C3037-2

Save this for ordering or warranty claims

Technical specifications

Voltage
230V

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

  • Spa water not heating
  • Heater error code on topside display (HH or OH fault)
  • Spa heats intermittently or inconsistently
  • Heater trips breaker or goes into overheat lockout
  • Spa takes excessively long to reach set temperature

Not sure if this is your problem? Try our diagnostic centre or .

About this heater

This Saratoga Spa 4.0kW 230V Low Flow Heater Assembly is an OEM replacement part designed for Saratoga spa systems. Operating at 4000 watts with 230-volt power requirements, this low flow heater effectively maintains your spa's water temperature while working efficiently with smaller circulation pumps. The genuine Saratoga construction ensures reliable performance and longevity in your spa's heating system.

At Bubbles Supply, we guarantee this heater assembly will be an exact fit for your Saratoga spa, backed by our comprehensive 1-year warranty. Every order ships the same day to minimize your spa downtime. This heater addresses common heating issues including complete heating failure and overheating problems. Professional installation is recommended to ensure proper electrical connections and safe operation—always verify voltage requirements and consult your spa's wiring diagram before installation.

Also known as / Replaces

This part replaces or is interchangeable with:

  • 4000W 230V spa heater element
  • 4kW spa heater

Looking for an older part number? Check our supersession lookup tool

Install difficulty: Medium — Some experience neededTypically 45–90 minutes

Warranty

1 year manufacturer warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.

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