Raypak Ign Ctrl [Hi Delta 302A/B–902A/B] (007374F) lascofittings and this Harwil version is

and this Harwil version is a Q9DS to Q10N style kit with a 1-1/2 inch by 1 inch bushing using the Q10N/106911/LB/NO/2F reference

pH adjustment

Center-discharge design

The Nidec US Motors line is especially useful when exact frame style and proven brand reliability both matter to the repair

Raypak Ign Ctrl [Hi Delta 302A/B–902A/B] (007374F) lascofittings and this Harwil version isRaypak Ign Ctrl [Hi Delta 302A B902A B] (007374F) is a Raypak replacement heater component designed to support proper operation of compatible pool and spa heating systems. Heater parts are commonly replaced during service when performance issues, ignition problems, airflow concerns, water flow restrictions, or worn components begin to affect system reliability. This item should be matched carefully to the heater series, model range, and part number