Therm [Hercules] 17.75" 5.5kW Flo-Thru Incoloy Heater (26-0155-7S-K) filters For pool owners and service

For pool owners and service professionals maintaining compatible Hayward skimmer systems

Raypak stack adapter

Includes union-style connection support

supporting the intended spa feel and more dependable jet operation

Useful when the original cap is worn

Therm [Hercules] 17.75" 5.5kW Flo-Thru Incoloy Heater (26-0155-7S-K) filters For pool owners and serviceTherm [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