COMPATIBLE WITH TANK WATER HEATERS ONLY ? Designed as a replacement sensor valve for Grundfos & Watts hot water recirculating pump systems (models 596816, 367010, 595926, 500800, 500805, HWRS-WH). Not for use with tankless water heaters.
SMART TEMPERATURE CONTROL ? Automatically opens at 85¡ÆF to send cooled water back to the heater, then closes at 98¡ÆF for instant hot water at the faucet ? eliminates waiting and saves energy.
DURABLE INDUSTRIAL MATERIALS ? Built with 50% glass-fiber reinforced PPS housing, tested to withstand 250¡ÆF and 150 psi. Delivers 3x longer service life compared to standard plastic valves.
EASY DIY INSTALLATION ? No return line or pipe cutting required. Complete under-sink install with braided stainless steel supply lines and 1/2' adapters. Finish setup in just 10 minutes without special tools.
1-YEAR LIMITED WARRANTY ? Backed by a manufacturer¡¯s warranty covering defects in materials and workmanship. Contact our customer support for hassle-free replacement parts or service.
