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Filter cartridge for compatible spa and pool applications using the 71311 reference
It is a practical service option when dependable heater replacement is needed in a compatible Hercules-based spa setup
The 5 inch insert format gives this part practical value because reel systems often rely on exact interface parts rather than general hardware substitutes
A wall fitting provides the structural support behind the visible suction assembly
CMP 170 GPM suction cover
Therm 4.0kW [15" x 2"] Flo-Thru Incoloy Heater [Caldera Spas] (26-3330-5S-K) tees Filter cartridge for compatible spaTherm [Caldera Spas] 15" 4. 0kW Flo Thru Incoloy Heater (26 3330 5S K) is designed as a purpose focused replacement heater for Caldera Spas, where matching physical configuration and heating output is essential to dependable spa operation. Its 4. 0kW heating output and 15" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. In day to day spa operation, a
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