Details
This is the smaller one for the expansion valve(s), not for the bottom of the water reservoir. They only fit inside 1/4" fittings.
The center sealing pistons are now white plastic instead of green.
Nuova Simonelli part #01000090.
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Attention CA Residents: Prop 65 Warning
WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.