Pentair MasterTemp(R) Digital Heavy-Duty ASME High Performance Low NOx Pool Heater; 400K BTU, Natural Gas - Bronze Header | 461021 Pentair Single Speed Pumps This water comes from the

This water comes from the pool system via the filtration system and out of the wall fitting and through a debris screen

With its four‑in‑one adjustable nozzle

Ultimately means they need to be replaced

Replacement 5-port bottom plate with 1

Pentair MasterTemp(R) Digital Heavy-Duty ASME High Performance Low NOx Pool Heater; 400K BTU, Natural Gas - Bronze Header | 461021 Pentair Single Speed Pumps This water comes from theMasterTemp heaters offer all the efficiency, convenience, and reliability features you want in a pool heater, plus a lot more. As easy to use as your home heating system, plus, a user friendly LCD display and troubleshooting icons make system operation and monitoring a snap. The compact design and super quiet operation wont intrude on your poolside leisure time. Heavy duty (HD) unit with cupro nickel exchanger stands up to the harshest of