Compatible Watts (596816) Instant Hot Water Recirculating System Sensor Valve Kit Blue And White (F-44500LEA-8) 0.5 - 5 GPM; 1/2" MPT; PM; ADJ.V. The pink Ultramax designation indicates

The pink Ultramax designation indicates the specific flow geometry and venturi throat sizing required for this tank diameter

always verify the color code matches your original part number and tank size

depending on water hardness and flow volume

Shut off water supply and relieve pressure from the system before removing the existing filter cartridge

Compatible Watts (596816) Instant Hot Water Recirculating System Sensor Valve Kit Blue And White (F-44500LEA-8) 0.5 - 5 GPM; 1/2" MPT; PM; ADJ.V. The pink Ultramax designation indicatesWatts Compatible Sensor Valve Kit Instant Hot Water Recirculating System Sensor Valve Kit Compatible replacement for Watts 596816 and Grundfos 595926 comfort valve kits. Closes automatically at 98F to deliver instant hot water while eliminating cold water waste at the fixture furthest from your heater. Watts 500800 Compatible Grundfos UP15 10SU7P Compatible 1 2" FPT Connections WHY IT WORKS Thermostatic control stops cold water runoff at the tap