Raypak 53/53A/55A/105A/151/153/155A MV Thermocouple (600019B) topsideparts 0 HP Seal Plate is

0 HP Seal Plate is designed for compatible pre-12/04 applications where the original plate has cracked

and dispensing style fit the intended repair task

Fits compatible 1-1/4 inch gunite inlet applications

Replacing a worn impeller helps restore full pump performance and improve overall circulation

Raypak 53/53A/55A/105A/151/153/155A MV Thermocouple (600019B) topsideparts 0 HP Seal Plate isThe Raypak MV thermocouple is designed for compatible 53, 53A, 55A, 105A, 151, 153, and 155A heater applications where the supported pilot safety sensing component needs replacement. A thermocouple is useful because it helps the heater verify pilot flame presence, supporting safer gas control behavior in millivolt systems. This replacement is especially useful when the original thermocouple is weak, inaccurate, or no longer dependable in service.