![Therm 4.0kW Flo-Thru Titanium Heater [Marquis Spas] (740-0650) deltrolcontrols Raypak flange gasket](https://cdn.shopify.com/s/files/1/1751/9347/files/740-0650.jpg?v=1784792111)
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Raypak flange gasket
Seal-back components matter because they work together with related seal pieces to preserve the intended structure of the pump’s sealing section
The Hayward IDXJKT1100 jacket top is designed for compatible above-ground heater applications
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Designed for compatible 31255 applications
Therm 4.0kW Flo-Thru Titanium Heater [Marquis Spas] (740-0650) deltrolcontrols Raypak flange gasketTherm [Marquis Spas] 4. 0kW Flo Thru Titaniuim Heater (740 0650) provides a targeted heating solution for Marquis Spas, combining the specified output and construction needed to restore consistent water heating without relying on a generic substitute. Its 4. 0kW heating output should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. A heater replacement affects more than water
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