Designed for spas and hot tubs between 250 and 600 gallons, this Coates electrical heaters utilizes a stainless steel tank for optimum heat transfer and feature 1.5 x 2 inch unions for PVC slip connections and a built-in pressure switch to prevent operation when there is no water flow. Perfect for new and retro-fit applications, this model measures 17.5 inches L x 4 inches W x 14 inches H and operates at flow rates between 15 GPM and 80 GPM. This unit also features an Incoloy heating element and has an element "on" light so you know when the unit is heating. It also comes with a close differential thermostat, manual high temp limit reset, heavy duty contactors, and is UL Listed for indoor and outdoor installations. Specs: 11 KW, 240V, Single Phase, 37,543 BTU's, 46 amps, 2 Year warranty.
Dimensions: 17.5 inches L x 4 inches W x 14 inches H
37,543 BTU output for 250-600 Gallons
Operates at flow rates from 15-80GPM
Built-in pressure switch prevents operation when there is no water flow
Stainless steel tank, Incoloy heating element, close differential thermostat and heavy duty contactors