Check the listing for details. Double-Barrel Low-Flow Heater with Sensors Fits 1995+Hot Spring/Watkins 6kw 240v. Condition: New. Listed at 213.99 USD. Applications:C3160-1S Low-Flow Double Barrel Heater is Compatible with 26-C3160-1S,C3160-1S, 73790,76227, C3160-1, C3654-1,72795, 402585, 6758, 7211. For 1995 to current Watkins No-Fault, Hot Springs, Tiger River and Limelight. 【Dual barrel high efficiency heater】Dual barrel design efficiently heats water in two stages, improving heating efficiency and reducing energy consumption. The low-flow hot tub heaters operate at 6kW @ 240V and 1.5kW @ 120V at 25A @ 240V and 12.5A @ 120V with a required flow rate of 8 GPM, providing powerful and versatile performance for a variety of settings Complete Installation Kit This 26-C3160-1S Low-flow hot tub heater kit includes a low-flow dual barrel heater, two sensors with the new 4-pin sensor plug (for 2002 and newer models), an auto-reset upper limit sensor, 18 in. 1 in. o.d. pipe, 12 in. 3/8 in. o.d. pipe, a 1/4 in. x 1/4 in. barbed fitting, and clamps to meet all installation needs and reduce maintenance costs. Powerful hot tub heaters provide fast heat for hot tubs, spas and inflatable pools so you can enjoy warm water in minutes. Hot tub heaters create warm water for your children, pets and the entire family! This hot tub heater makes such enjoyable moments possible and extends the warmth for you.