Therm 5.5kW [17.75" x 2"] Flo-Thru Incoloy Heater [Hercules] (26-0155-7S-K) presairtrol The DVK7 fit gives this

The DVK7 fit gives this cover practical value because upper valve components work best when they match the original body relationship closely

Viton-based go-kits provide added chemical and temperature resistance for demanding sealing applications

The 006718F is a practical service part when a compatible Raypak heater needs a bypass spring to restore dependable assembly operation

The Raypak control panel with decal is designed for compatible 207A

Helps restore dependable pump sealing performance

Therm 5.5kW [17.75" x 2"] Flo-Thru Incoloy Heater [Hercules] (26-0155-7S-K) presairtrol The DVK7 fit gives thisTherm [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