Photo 1 of WP596816 Sensor Valve Kit Fit for watts premier 500800&500805 & grundfos up comfort Instant Hot Water Recirculating Pump System, Include Two 12" Supply Lines & Two 1/2" x 3/8" Reduced FittingsLPNPMFX0389348

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Photo 1 of WP596816 Sensor Valve Kit Fit for watts premier 500800&500805 & grundfos up comfort Instant Hot Water Recirculating Pump System, Include Two 12" Supply Lines & Two 1/2" x 3/8" Reduced FittingsLPNPMFX0389348 Photo 2 of WP596816 Sensor Valve Kit Fit for watts premier 500800&500805 & grundfos up comfort Instant Hot Water Recirculating Pump System, Include Two 12" Supply Lines & Two 1/2" x 3/8" Reduced FittingsLPNPMFX0389348