Hydro-Quip 4.0kW [15" x 2"] Flo-Thru Heater [CalSpa XL] w/Box (26-0011-5S-K) ultrapurewater An assembly like this is

An assembly like this is useful because it helps restore proper air relief performance within the filter system while preserving compatibility with larger-capacity original assemblies

this control system helps support dependable multi-function spa management and contributes to cleaner overall system coordination

The 010871F is a practical service part when a compatible Raypak 207A heater needs a cooling fan to restore dependable internal air-management support

A replacement pack like this often improves more than one part of the spa experience at once because it sits at the center of everyday operation

heater interruptions

Hydro-Quip 4.0kW [15" x 2"] Flo-Thru Heater [CalSpa XL] w/Box (26-0011-5S-K) ultrapurewater An assembly like this isThe Hydro Quip CalSpa XL 4. 0 kW FloThru heater is designed for compatible CalSpa XL heating applications where a 15 inch by 2 inch heater with box configuration is needed. A FloThru heater is useful because it provides direct in line heating while matching the supported plumbing and control arrangement expected by the system. This version is especially useful when the installation depends on the boxed heater format rather than a simpler unboxed