Compatible Watts (596816) Instant Hot Water Recirculating System 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 98°F to deliver instant hot water while eliminating cold water waste at the fixture furthest from your heater.
Thermostatic control stops cold water runoff at the tap
Thermostatic Bypass Control
Opens automatically when hot line cools, pushing cooled water back to heater. Closes at 98°F to maintain instant hot water delivery with zero wait time at the tap.
Eliminates Cold Water Waste
Installed at the fixture furthest from the water heater, this sensor valve prevents gallons of cold runoff by circulating cooled water back through the return line until temperature is restored.
Glass-Reinforced PPS Construction
Made from PPS plastic with 50% glass fiber content for exceptional heat and corrosion resistance. High-strength threads reduce leak risk under continuous hot water pressure and thermal cycling.
Complete Install Kit
Includes two 12" supply lines, two reducing fittings (1/2" FPT to 3/8" MPT), and mounting hardware. Everything needed for direct replacement without additional parts or adapters.
Works with Watts and Grundfos recirculation systems
Direct replacement for Watts 596816 and Grundfos 595926 sensor valve kits. Compatible with Watts 500800 and 500805 hot water recirculating pumps, and Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP recirculators. 1-1/2" thread size fits all standard pipe types. Designed for indoor residential use with standard tank water heaters only. Not compatible with tankless water heaters or outdoor installations.
Instant Hot Water
Eliminates wait time at taps by maintaining circulation until hot water is restored to the line
Conserves Water and Energy
Prevents gallons of cold runoff waste while reducing energy costs through efficient thermal management
Simple Retrofit
Installs under sink at furthest fixture with included supply lines and reducer fittings
Durable Materials
Glass-filled PPS plastic withstands high temperature and pressure for long-term reliability
Instant Hot Water Recirculating System Sensor Valve Kit
Compatible replacement for Watts 596816 and Grundfos 595926 comfort valve kits. Closes automatically at 98°F to deliver instant hot water while eliminating cold water waste at the fixture furthest from your heater.
Thermostatic control stops cold water runoff at the tap
Thermostatic Bypass Control
Opens automatically when hot line cools, pushing cooled water back to heater. Closes at 98°F to maintain instant hot water delivery with zero wait time at the tap.
Eliminates Cold Water Waste
Installed at the fixture furthest from the water heater, this sensor valve prevents gallons of cold runoff by circulating cooled water back through the return line until temperature is restored.
Glass-Reinforced PPS Construction
Made from PPS plastic with 50% glass fiber content for exceptional heat and corrosion resistance. High-strength threads reduce leak risk under continuous hot water pressure and thermal cycling.
Complete Install Kit
Includes two 12" supply lines, two reducing fittings (1/2" FPT to 3/8" MPT), and mounting hardware. Everything needed for direct replacement without additional parts or adapters.
Works with Watts and Grundfos recirculation systems
Direct replacement for Watts 596816 and Grundfos 595926 sensor valve kits. Compatible with Watts 500800 and 500805 hot water recirculating pumps, and Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP recirculators. 1-1/2" thread size fits all standard pipe types. Designed for indoor residential use with standard tank water heaters only. Not compatible with tankless water heaters or outdoor installations.
Instant Hot Water
Eliminates wait time at taps by maintaining circulation until hot water is restored to the line
Conserves Water and Energy
Prevents gallons of cold runoff waste while reducing energy costs through efficient thermal management
Simple Retrofit
Installs under sink at furthest fixture with included supply lines and reducer fittings
Durable Materials
Glass-filled PPS plastic withstands high temperature and pressure for long-term reliability
Description
Instant Hot Water Recirculating System Sensor Valve Kit
Compatible replacement for Watts 596816 and Grundfos 595926 comfort valve kits. Closes automatically at 98°F to deliver instant hot water while eliminating cold water waste at the fixture furthest from your heater.
Thermostatic control stops cold water runoff at the tap
Thermostatic Bypass Control
Opens automatically when hot line cools, pushing cooled water back to heater. Closes at 98°F to maintain instant hot water delivery with zero wait time at the tap.
Eliminates Cold Water Waste
Installed at the fixture furthest from the water heater, this sensor valve prevents gallons of cold runoff by circulating cooled water back through the return line until temperature is restored.
Glass-Reinforced PPS Construction
Made from PPS plastic with 50% glass fiber content for exceptional heat and corrosion resistance. High-strength threads reduce leak risk under continuous hot water pressure and thermal cycling.
Complete Install Kit
Includes two 12" supply lines, two reducing fittings (1/2" FPT to 3/8" MPT), and mounting hardware. Everything needed for direct replacement without additional parts or adapters.
Works with Watts and Grundfos recirculation systems
Direct replacement for Watts 596816 and Grundfos 595926 sensor valve kits. Compatible with Watts 500800 and 500805 hot water recirculating pumps, and Grundfos UP15-10SU7P/TLC Comfort Series 1/25 HP recirculators. 1-1/2" thread size fits all standard pipe types. Designed for indoor residential use with standard tank water heaters only. Not compatible with tankless water heaters or outdoor installations.
Instant Hot Water
Eliminates wait time at taps by maintaining circulation until hot water is restored to the line
Conserves Water and Energy
Prevents gallons of cold runoff waste while reducing energy costs through efficient thermal management
Simple Retrofit
Installs under sink at furthest fixture with included supply lines and reducer fittings
Durable Materials
Glass-filled PPS plastic withstands high temperature and pressure for long-term reliability
