Skip to content
✨ Free Shipping on All Orders ✨ 💡 Premium Lighting & Smart Home Appliances 🛡️ 30-Day Returns & Quality Guarantee ✨ Free Shipping on All Orders ✨ 💡 Premium Lighting & Smart Home Appliances 🛡️ 30-Day Returns & Quality Guarantee

Start typing to find products

Looking for something? Try searching by category, product name, or brand.

Your cart is empty

Continue shopping
Skip to product info

No-Fault® Premium Titanium Spa Heater Replacement Kit

🛁 Universal Fit for Hot Spring®, Tiger River® & Caldera® Spas (1995–Present)

✅ Universal Cross-Fit Compatibility: Engineered to flawlessly fit Hot Spring, Tiger River, Caldera, and Watkins spa systems manufactured from 1995 to the present day.

♨️ Double Barrel Thermal Flow: Features an advanced dual-barrel configuration for significantly accelerated, more uniform, and highly energy-efficient water heating.

🛠️ Premium Titanium Element: Armed with a heavy-duty solid titanium heating core for industry-leading resistance against chemical corrosion, scale buildup, and rust.

📦 Complete Drop-In Bundle: No extra trips to the hardware store. Comes fully loaded with premium sensors, heavy-duty clamps, and a flexible drain tube.

🔄 Direct Cross-Reference Fit: Replaces factory parts 26-C3160-2S, C3160-2, 73791, and 73790 with absolute accuracy.

No-Fault Titanium Spa Heater Assembly Front View
No-Fault Spa Heater Sensors and Double Barrel Profile

📦 WHAT'S INCLUDED?

• 1× Heavy-Duty No-Fault Titanium Spa Heater Assembly
• 1× Factory-Calibrated Dual Sensor Set (Hi-Limit & Temp)
• 1× Flexible Drain Tube Extension + Secure Mounting Clamps
Complete Package Kit Contents Breakdown

🚚 SHIPPING & WARRANTY POLICY

🚀 Free Shipping: Nationwide tracking included at zero extra cost.
⏱️ Handling Time: Securely packaged and dispatched within 24 hours.
物件 Delivery Window: Arrives at your door within 3–7 business days.
🛡️ 1-Year Full Warranty: 100% Brand New premium quality components with 24/7 dedicated after-sales tech support.

❓ FREQUENTLY ASKED QUESTIONS

A: Yes, absolutely! This replacement kit is thoroughly engineered to remain backward compatible with almost all Hot Spring® models built from 1995 to present, including the Prodigy, Sovereign, and Vanguard series.

A: Yes. The bundle packages a matched dual sensor set, flexible drain tubes, and zinc-plated mounting clamps. You won't need to purchase secondary hardware elements to finish the installation.

A: Not at all. Most spa owners report that the direct swap takes less than 30 minutes using standard, basic garage tools. A concise reference guide is enclosed within the box.

Regulatory Disclaimer: No-Fault®, Hot Spring®, Tiger River®, Caldera®, and Watkins® are registered trademarks proprietary to Watkins Manufacturing Corporation. The specified model part codes (26-C3160-2S, 73791) are highlighted exclusively for consumer cross-reference verification and structural compatibility validation. This product is a high-grade, premium aftermarket replacement component kit.

No-Fault Titanium Heater for Hot Spring / Tiger River Spas, Model 73791, 4kW Power.

Regular price $231.78
In stock, ready to be shipped

We offer FREE shipping on all orders within the US. Orders are typically processed within 1-2 business days. If you are not completely satisfied with your purchase, you can return it within 30 days of delivery for a full refund or exchange.

🚚 Free US Shipping
🛡️ 30-Day Returns
🔒 Secure Checkout

No-Fault® Premium Titanium Spa Heater Replacement Kit

🛁 Universal Fit for Hot Spring®, Tiger River® & Caldera® Spas (1995–Present)

✅ Universal Cross-Fit Compatibility: Engineered to flawlessly fit Hot Spring, Tiger River, Caldera, and Watkins spa systems manufactured from 1995 to the present day.

♨️ Double Barrel Thermal Flow: Features an advanced dual-barrel configuration for significantly accelerated, more uniform, and highly energy-efficient water heating.

🛠️ Premium Titanium Element: Armed with a heavy-duty solid titanium heating core for industry-leading resistance against chemical corrosion, scale buildup, and rust.

📦 Complete Drop-In Bundle: No extra trips to the hardware store. Comes fully loaded with premium sensors, heavy-duty clamps, and a flexible drain tube.

🔄 Direct Cross-Reference Fit: Replaces factory parts 26-C3160-2S, C3160-2, 73791, and 73790 with absolute accuracy.

No-Fault Titanium Spa Heater Assembly Front View
No-Fault Spa Heater Sensors and Double Barrel Profile

📦 WHAT'S INCLUDED?

• 1× Heavy-Duty No-Fault Titanium Spa Heater Assembly
• 1× Factory-Calibrated Dual Sensor Set (Hi-Limit & Temp)
• 1× Flexible Drain Tube Extension + Secure Mounting Clamps
Complete Package Kit Contents Breakdown

🚚 SHIPPING & WARRANTY POLICY

🚀 Free Shipping: Nationwide tracking included at zero extra cost.
⏱️ Handling Time: Securely packaged and dispatched within 24 hours.
物件 Delivery Window: Arrives at your door within 3–7 business days.
🛡️ 1-Year Full Warranty: 100% Brand New premium quality components with 24/7 dedicated after-sales tech support.

❓ FREQUENTLY ASKED QUESTIONS

A: Yes, absolutely! This replacement kit is thoroughly engineered to remain backward compatible with almost all Hot Spring® models built from 1995 to present, including the Prodigy, Sovereign, and Vanguard series.

A: Yes. The bundle packages a matched dual sensor set, flexible drain tubes, and zinc-plated mounting clamps. You won't need to purchase secondary hardware elements to finish the installation.

A: Not at all. Most spa owners report that the direct swap takes less than 30 minutes using standard, basic garage tools. A concise reference guide is enclosed within the box.

Regulatory Disclaimer: No-Fault®, Hot Spring®, Tiger River®, Caldera®, and Watkins® are registered trademarks proprietary to Watkins Manufacturing Corporation. The specified model part codes (26-C3160-2S, 73791) are highlighted exclusively for consumer cross-reference verification and structural compatibility validation. This product is a high-grade, premium aftermarket replacement component kit.

No-Fault Titanium Heater for Hot Spring / Tiger River Spas, Model 73791, 4kW Power.

No-Fault Titanium Heater for Hot Spring / Tiger River Spas, Model 73791, 4kW Power.

$231.78