Pentair Manifold Kit | MasterTemp | 460748 AOP Pool Systems If your pool has a

If your pool has a high mineral content

Also confirm you have the large niche size

A failed or degraded O-ring in this position results in internal valve leakage or loss of flow control between the diverter and check valve sections — making this a direct-replacement service part when the valve develops a bypass or weep

This fitting controls the directional flow of water entering and exiting the automatic feeder

Pentair Manifold Kit | MasterTemp | 460748 AOP Pool Systems If your pool has aThe Pentair Manifold Kit (460748) is the OEM replacement manifold assembly for the MasterTemp 250K BTU pool heater specifically the 250NA (natural gas) and 250LP (liquid propane) models. This is a complete kit, not a single component. IMPORTANT: HEATER COMPONENT PROFESSIONAL SERVICE REQUIRED Gas and electrical heater components must be serviced by a licensed pool professional or qualified HVAC technician. Do not attempt to service gas or high voltage