Item 4640632 has must read information.
: Please order 4640522 and remove bottom o-ring and backup ring prior to replacement in valve block. 
Pricing is not set up for this item. Please contact Customer Support with your model and serial number for more information.

VALVE, MODIFI PRESURE REDUCING

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4640632

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EA
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VALVE, MODIFI PRESURE REDUCING - 4640632