Taco HLS-2 Hot-Link Recirculation System – Pump, Valve, Supply Lines

The Taco HLS-2 Hot-Link System is a domestic hot water recirculation solution designed to deliver instant hot water without the need for a dedicated return line. Using a circulator pump at the water heater and a thermal bypass valve under the sink furthest from the heater, it creates a recirculation loop through the cold water line, eliminating wasted water and reducing wait time. The system can save the average household up to 12,000 gallons of water annually.

Specifications

Pump motor: 1/40 HP, permanent split capacitor
Voltage: 115V, 60 Hz, single phase
Amperage: 0.52A
Maximum RPM: 3250
Maximum operating pressure: 125 psi
Maximum fluid temperature: 220°F
Pump connections: 3/4 inch NPT with half unions
Bypass valve connections: 1/2 inch NPT
Power cord: 6-foot cord included
Timer: built-in analog clock timer for scheduled operation
Installation: retrofit using existing plumbing, no electrician required

Features

Hot-Link circulator: efficient pump installed at the water heater to keep hot water lines charged
Thermal bypass valve: clean-in-place valve mounts under the sink, opens when water cools, closes when hot water arrives
Timer control: set the system to run continuously or during high-demand hours for energy savings
Easy installation: kit includes circulator, bypass valve, and two braided flex hoses for straightforward setup
Water and energy conservation: saves thousands of gallons of water each year by reducing waste at the tap
Smart upgrade option: compatible with the Smart Plug, which offers learning, pulse, and vacation modes for advanced scheduling

Applications

Residential domestic hot water recirculation
Retrofit projects without a dedicated return line
Energy- and water-saving system upgrades for existing homes

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HLS-2 - Hot-Link Recirculation System - Pump, Valve, Supply Lines