No-Fault® Titanium Spa Heater Replacement Kit
🛁 Direct Fit for Hot Spring®, Tiger River®, Caldera® & Watkins® Spas (1995–Present)

✅ Universal Cross-Fit Compatibility: Precision-engineered to fit Hot Spring®, Tiger River®, Caldera®, and Watkins® spa systems manufactured from 1995 to the present day.
♨️ Double Barrel Thermal Flow Architecture: Advanced dual-barrel design ensures low-watt density heating, uniform heat transfer, faster warm-up cycles, and superior energy efficiency.
🛡️ Corrosion-Proof Solid Titanium Element: Solid titanium heating core provides maximum immunity against dry-fire conditions, harsh chemical corrosion, scale buildup, and acidic hot tub water.
📦 Complete All-in-One Drop-In Kit: Includes pre-installed factory sensors, high-grade hose clamps, and a flexible drain tube extension. No extra trips to the hardware store needed.

🔀 DIRECT CROSS-REFERENCE PART NUMBERS
📋 TECHNICAL SPECIFICATIONS
| Condition: | 100% Brand New Aftermarket |
| Primary OE Part #: | 73791 / 26-C3160-2S |
| Heating Element: | Heavy-Duty Solid Titanium Core |
| Chamber Style: | Double Barrel Low-Watt Density |
| Voltage Compatibility: | 115V / 230V Dual Configurable |
| Included Sensors: | Hi-Limit Sensor + Temperature Sensor |
| Compatible Years: | 1995 to Present Models |
| System Compatibility: | Hot Spring®, Tiger River®, Caldera® |
📦 WHAT'S IN THE BOX
• 1× Pre-Calibrated Dual Sensor Set (Hi-Limit & Control Sensor)
• 1× Flexible Drain Tube Extension
• 1× Mounting Clamp & Hardware Set

🛡️ PURCHASE GUARANTEE & USA SHIPPING
🚛 Delivery Window: Standard transit takes 3–7 business days with active tracking updates.
🛡️ 1-Year Full Warranty: 100% Brand-New premium quality components with comprehensive coverage.
💬 24/7 Dedicated Support: Priority after-sales technical support available for installation and compatibility guidance.
❓ FREQUENTLY ASKED QUESTIONS
No-Fault Titanium Spa Heater for Hot Spring/Watkins/Caldera/Tiger River 73791-4KW
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.
No-Fault® Titanium Spa Heater Replacement Kit
🛁 Direct Fit for Hot Spring®, Tiger River®, Caldera® & Watkins® Spas (1995–Present)

✅ Universal Cross-Fit Compatibility: Precision-engineered to fit Hot Spring®, Tiger River®, Caldera®, and Watkins® spa systems manufactured from 1995 to the present day.
♨️ Double Barrel Thermal Flow Architecture: Advanced dual-barrel design ensures low-watt density heating, uniform heat transfer, faster warm-up cycles, and superior energy efficiency.
🛡️ Corrosion-Proof Solid Titanium Element: Solid titanium heating core provides maximum immunity against dry-fire conditions, harsh chemical corrosion, scale buildup, and acidic hot tub water.
📦 Complete All-in-One Drop-In Kit: Includes pre-installed factory sensors, high-grade hose clamps, and a flexible drain tube extension. No extra trips to the hardware store needed.

🔀 DIRECT CROSS-REFERENCE PART NUMBERS
📋 TECHNICAL SPECIFICATIONS
| Condition: | 100% Brand New Aftermarket |
| Primary OE Part #: | 73791 / 26-C3160-2S |
| Heating Element: | Heavy-Duty Solid Titanium Core |
| Chamber Style: | Double Barrel Low-Watt Density |
| Voltage Compatibility: | 115V / 230V Dual Configurable |
| Included Sensors: | Hi-Limit Sensor + Temperature Sensor |
| Compatible Years: | 1995 to Present Models |
| System Compatibility: | Hot Spring®, Tiger River®, Caldera® |
📦 WHAT'S IN THE BOX
• 1× Pre-Calibrated Dual Sensor Set (Hi-Limit & Control Sensor)
• 1× Flexible Drain Tube Extension
• 1× Mounting Clamp & Hardware Set

🛡️ PURCHASE GUARANTEE & USA SHIPPING
🚛 Delivery Window: Standard transit takes 3–7 business days with active tracking updates.
🛡️ 1-Year Full Warranty: 100% Brand-New premium quality components with comprehensive coverage.
💬 24/7 Dedicated Support: Priority after-sales technical support available for installation and compatibility guidance.