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No-Fault® Titanium Spa Heater Replacement Kit

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

🛡️ Solid Titanium Heating Core ♨️ Double Barrel Thermal Flow 📦 Complete Dual-Sensor Bundle 🔄 Direct OE Fit 73791 / C3160-2
No-Fault Titanium Spa Heater Assembly Front View

✅ 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.

No-Fault Spa Heater Sensors and Double Barrel Profile

🔀 DIRECT CROSS-REFERENCE PART NUMBERS

26-C3160-2S | C3160-2 | 73791 | 73790 | 73792 | 7211 | Watkins No-Fault Titanium Heater

📋 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× Heavy-Duty No-Fault Titanium Double-Barrel Spa Heater
• 1× Pre-Calibrated Dual Sensor Set (Hi-Limit & Control Sensor)
• 1× Flexible Drain Tube Extension
• 1× Mounting Clamp & Hardware Set
Complete Package Kit Contents Breakdown

🛡️ PURCHASE GUARANTEE & USA SHIPPING

🚀 Free USA Shipping: Dispatched directly from domestic warehouse logistics within 24 working hours.
🚛 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

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 Prodigy, Sovereign, Grandee, and Vanguard series.

A: Yes. The bundle comes complete with a matched dual sensor set, flexible drain tube extension, and secure mounting clamps. You won't need extra trips to the hardware store.

A: Not at all. Most spa owners complete the direct drop-in swap in under 30 minutes using standard household tools.

Legal Trademark Disclaimer: No-Fault®, Hot Spring®, Tiger River®, Caldera®, and Watkins® are registered trademarks of Watkins Manufacturing Corporation. Reference to specific model identifiers and OEM part codes (26-C3160-2S, 73791, 73790) are leveraged strictly for consumer model guidance, structural cross-referencing, and technical compatibility descriptions. This product represents an independent high-performance aftermarket replacement kit.

No-Fault Titanium Spa Heater for Hot Spring/Watkins/Caldera/Tiger River 73791-4KW

Sale price $231.78
Regular price $242.84
Save $11.06
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® Titanium Spa Heater Replacement Kit

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

🛡️ Solid Titanium Heating Core ♨️ Double Barrel Thermal Flow 📦 Complete Dual-Sensor Bundle 🔄 Direct OE Fit 73791 / C3160-2
No-Fault Titanium Spa Heater Assembly Front View

✅ 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.

No-Fault Spa Heater Sensors and Double Barrel Profile

🔀 DIRECT CROSS-REFERENCE PART NUMBERS

26-C3160-2S | C3160-2 | 73791 | 73790 | 73792 | 7211 | Watkins No-Fault Titanium Heater

📋 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× Heavy-Duty No-Fault Titanium Double-Barrel Spa Heater
• 1× Pre-Calibrated Dual Sensor Set (Hi-Limit & Control Sensor)
• 1× Flexible Drain Tube Extension
• 1× Mounting Clamp & Hardware Set
Complete Package Kit Contents Breakdown

🛡️ PURCHASE GUARANTEE & USA SHIPPING

🚀 Free USA Shipping: Dispatched directly from domestic warehouse logistics within 24 working hours.
🚛 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

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 Prodigy, Sovereign, Grandee, and Vanguard series.

A: Yes. The bundle comes complete with a matched dual sensor set, flexible drain tube extension, and secure mounting clamps. You won't need extra trips to the hardware store.

A: Not at all. Most spa owners complete the direct drop-in swap in under 30 minutes using standard household tools.

Legal Trademark Disclaimer: No-Fault®, Hot Spring®, Tiger River®, Caldera®, and Watkins® are registered trademarks of Watkins Manufacturing Corporation. Reference to specific model identifiers and OEM part codes (26-C3160-2S, 73791, 73790) are leveraged strictly for consumer model guidance, structural cross-referencing, and technical compatibility descriptions. This product represents an independent high-performance aftermarket replacement kit.

No-Fault Titanium Spa Heater for Hot Spring/Watkins/Caldera/Tiger River 73791-4KW

No-Fault Titanium Spa Heater for Hot Spring/Watkins/Caldera/Tiger River 73791-4KW

$231.78