Check the listing for details. Smart Low-Flow Heater for Sundance & Jacuzzi Spa Hot Tub 6500-310/6500-301 5.5kW. Condition: New. Listed at 219.90 USD. Smart Low-Flow Heater for Sundance & Jacuzzi Spa Hot Tub 6500-310/6500-301 5.5kW [Specifications]: Connection 3/4” Barbed Fittings, Voltage 240V, Wattage 5.5Kw. Titanium heater element. [Fitment]: Fits for 1995+ 650 - 850 & 880 series with low flow heaters. For Jacuzzi J-400 & J-500 spas 2015+. Use silicone sealant to secure sensor in sensor well. [Packages include]: 1/4" High-Limit Sensor 6600-168, wire harness (1995 to 2007), wire harness (2007-2020), extra 3/4” hose. [Replaces Part Numbers]: 6500-310, 6500-301, 6500-316, 6500-843, 58336, 2-00-0066, 323810810, 307878, 46-555-1000, 46-555-1010, 46-355-3025, 58030, 58336, 9143E, C3314-1, C3411-1, E2550-1000, E2550-3314, 26-3314-1-7T-K, 26-3411-1-7T-K. [Satisfaction Guarantee]: We sincerely provide customers with high-quality assurance services. When the product has any quality problems, you can contact us. We will provide customers with sincere after-sales services, solve problems for you in time, and protect your rights and interests. 1. We accept payment via PAYPAL ONLY. 2. S&H will be determined based upon the SHIP TO address. 3. Please list your special requests (color, packages, etc.) in the PAYPAL NOTES SECTION when you make payment. 1.Items will be shipped within 1-3 business day when we received payment. 2.We only ship to confirmed ebay addresses. Your ebay address MUST MATCH your Shipping address. 1.If there are any problems with our products, Please feel free to contact us. We will always here to solve them for you. You don't need to contact Ebay or Paypal. And please DO NOT leave us Neutral / negative feedback. It won't help the problem to be solved. And it is the worst hurt to a seller. We should try our best to make a happy easy transaction. 2.If you are satisfied with our products and our service, please tell your friend and leave us positive feedback. If you are not satisfied with our products or service, please DO tell us. 3.ebay Money Back Guarantee: After receiving the item, you could contact us within 30 days. Get the item you ordered or get your money back. Covers your purchase price and original shipping. Why choose from us? 1.100% Authentic. 2.Brand new (Unless the description says used), High quality,Low Price. With all Original parts and authentic，Original manufacturer's serial numbers intact. 3.Intimate, fast customer service.