Therm [Hercules] 17.75" 5.5kW Flo-Thru Incoloy Heater (26-0155-7S-K) filters Raypak stack adapter

Raypak stack adapter

Useful when the original cap is worn

and this Intermatic RC613 version is a single-channel 115 volt model using the RC613 reference

For pool owners and service professionals maintaining compatible Hayward skimmer systems

direct replacement

Therm [Hercules] 17.75" 5.5kW Flo-Thru Incoloy Heater (26-0155-7S-K) filters Raypak stack adapterTherm [Hercules] 17. 75" 5. 5kW Flo Thru Incoloy Heater (26 0155 7S K) is a replacement heater developed around the fit and operating requirements of Hercules, making it a practical choice when the original heater assembly must be matched carefully. Its 5. 5kW heating output and 17. 75" heater length should be matched to the original equipment requirements before installation, since spa heaters are not universally interchangeable. When a spa struggles