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Note the baseline pressure reading immediately after a clean backwash or cartridge rinse — when the reading climbs 8–10 psi above that baseline during normal operation
When converting a MasterTemp 300 from natural gas to propane — or replacing a worn orifice in an existing LP installation — confirm the model suffix on your heater's rating plate before ordering
finished appearance and proper coverage at the deck level
The baffle and bulkhead fitting is sized to the tank
When sand appears in the pool return
Pentair Contactor, Heat Pump | UltraTemp Heat Pump | 473778Z Salt Cells Note the baseline pressure readingThe Pentair 473778Z is the OEM replacement contactor for the UltraTemp series heat pump covering all 3 phase models and all single phase models manufactured after 2014. IMPORTANT: VERSION MODEL QUALIFIER CONFIRM BEFORE ORDERING This contactor fits 3 phase UltraTemp models and all single phase UltraTemp models produced after 2014. Single phase units manufactured prior to 2015 require a different contactor. Verify your unit's phase configuration and
US$ 104.95
US$ 35.00
US$ 54.99
US$ 111.02
