Hydro Quip 5.5kW [2" x 2"] L Shaped PS Electronic Heater [Short Cord] [Clamps] (48 PSL55 S) circuitboards A heater that heats properly A heater that heats properly but does not install the way the system expects can still leave the repair feeling incomplete and FC 9830 reference give this part practical value because DE grid replacements work best when the new component matches the original filter geometry and internal connection style closely An L shape heater is useful because it helps accommodate systems where the plumbing and equipment layout require a geometry that differs from a straight body heater assembly 5 kW PS L shape electronic heater to restore dependable heating performance