Pentair Pro Service Package- Heater Master Package of Water & Electrical System Parts | 461100 QuikWaterLeveler it is the housing unit

it is the housing unit for the latch-rear canister as well as the latch-main housing w/ springs

strainer lid O‑ring

2-1/2″ slide-style backwash valve for pool filter systems

The integrated sump captures heavier debris

Pentair Pro Service Package- Heater Master Package of Water & Electrical System Parts | 461100 QuikWaterLeveler it is the housing unitThis heater service kit includes: 3 "Fireman's switch fuse (1. 25 amps)" 2 Duro Buna o ring Membrane pad (NA, LP series) Ignition control module 2 Thermistor Water pressure switch Airflow switch 2 High limit switch Transformer 115 230V Control board kit (NA, LP series) Stack flue sensor 2 Automatic gas shutoff switch (AGS) Manifold bypass valve kit Thermal regulator kit (includes spring, o ring, cap, and spring clip) Igniter igniter gasket kit