Rinnai / Grundfos GTK03U — Circ-Logic™ External Pump Kit (115 V) w/ Union Connections 8/12 to 16/12 pitch It combines manual on/off control

It combines manual on/off control

796 BTUH at 7" W

Fixed appliance installations with matching thread connections

The receiver requires 22 to 28 VAC or VDC Class 2 power

000 BTU of output

Rinnai / Grundfos GTK03U — Circ-Logic™ External Pump Kit (115 V) w/ Union Connections 8/12 to 16/12 pitch It combines manual on/off controlRinnai Grundfos GTK03U Circ Logic External Recirculation Pump Kit Brand: Rinnai Grundfos SKU: GTK03U Product Overview The Rinnai Grundfos GTK03U is an external recirculation pump kit for compatible Rinnai tankless water heaters that support Circ Logic control. It adds a Grundfos circulator with an internal check valve to an approved recirculation layout, allowing the heater's Circ Logic settings to control scheduled or demand based circulation