Rheem Raypak 4450 - Plumbing Diagrams with Bypass; External Bypass Schematic

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WATER OU
T
(TO POOL OR SPA)
CHEMICAL INTRODUCTION
CHECK VALVE
FILTER
WA
TER IN
(T
O POOL
OR SP
A)
Figure 14. Plumbing Schematic – External Bypass (Plumb the heater AFTER the lter and before any chlorinators.)
NOTE: Models 2450-4450 – For systems with pumps of 1-1/2 HP or greater (over 40 GPM / 151 LPM)
Models 5450-8450 – For systems with pumps of 2 HP or greater (over 80 GPM / 303 LPM) External bypass required. Adjust the bypass valve to divert a minimum of 20 GPM / 76 LPM (2450-4450) or 30 GPM / 114 LPM (5450-8450) through the heat pump pool heater.