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The Pentair Closure 8-1/2 in
The Unicel C-4325 is engineered at 4 5/8" OD — a precision replacement dimension designed to seat and seal correctly within both filter housings
check the label on your fixture cord or the original installation documentation
⚠️ IMPORTANT: 400K BTU MODELS ONLY
Pentair Ignition Control Module | MasterTemp & Max-E-Therm Heaters | 476223Z FG1248 The Pentair Closure 8-1/2 inThe Pentair Ignition Control Module (476223Z) is the OEM replacement ignition control module for Pentair MasterTemp and Max E Therm gas heaters the component that sequences and supervises the igniter and gas valve during each burner start cycle. IMPORTANT: LICENSED 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
