Wirsbo offers the D'MAND® Hot Water Delivery System - A luxury upgrade that provides hot water comfort quickly, on demand. D'MAND® will save you time, energy, water and money. Hot water by D'mand for today’s greener homes.

Grundfos - Comfort Series - Hot Water Recirculation Pump/Timer & By-Pass Valve System. Now you can easily have the convenience of instantly available hot water at your tap. The water circulation system that eliminates cold water runoff at the faucet using a bypass valve and pump with a timer to control water flow. No return line required. Installs in less than one hour. No electricity needed under the sink. Built-in timer & line cord. Uses less energy than a 25-watt light bulb. An extra bonus to instant hot water is that you can save up to 16,000 gallons of water per year, per household. Comes with two (2) 1/2" FNPS X 1/2" FNPS X 12" stainless steel flex hoses.

Valve Only for the "Comfort System" by Grundfos. 4 - Port, Check Valve / Manifold (Note this image shows the valve along side the Grundfos Comfort System Pump - The Item offered here is the valve only.)

ACT-303-BTRW Laing AutoCirc Retro-Fit Circulator Pump with with 6' Line Cord, Timer & Built-In Adjustable Thermostat. Installed under the sink or faucet farthest from the water heater - where hot water usually takes the longest amount of time to arrive. Built-in temperature sensor automatically turns on the Laing ACT-303-BTRW when hot water is required. (Laing Part Number: 6641)

Laing ACT-303-BTW AUTOCIRC1® gives you Instant Hot Water where and when you want it - Save Water, Energy, Time & Money with Auto Circ by Laing. No recirculating return line is required for an installation of the ACT303BTW ! SPECIAL - We include FREE with your New AutoCirc, 2 - Stainless Steel Braided 20 Inch Long Flexible Supply Lines. SUPPLY LINES WILL BE REQUIRED FOR YOUR INSTALL so we save you a trip to a store by adding these, no one else offers this! And we ship the ACT303 to you FREE TOO for the BEST VALUE OUT THERE! (Laing #9967)

The Laing SM-303-BSR Bronze Circulator Pump with Thermostat is rated for temperatures to 230 degree F and line pressures to 150 PSI. 33 watts, 1/2 inch sweat connections with a 6 foot wire with plug. Application - Hot Water Recirculation. (Laing Part Number: 6643)

LAING Circulating Pump with Timer #SMT303B, 1/2 Inch Sweat, 33 Watt Rated for temperatures to 230 degree F and line pressures to 150 PSI. Application - Hot Water Recirculation. About SMT303BS, "S" is the copper sweat version & the model SMT303BT, "T" is the threaded version of this popular domestic recirculator pump with timer by Laing.

The Activation Button is used in areas where the homeowner wants to select when the D'MAND System is activated. Kitchens are a prime area for th activation button. Two-wire, low-voltage thermostat wire connects the activation button to the control on the D'MAND pump.

D'MAND Motion Sensors are used in low-traffic areas within the home such as a guest bathroom. The sensor, when activated by motion within the room, provides control to the D'Mand Hot Water Delivery System Pump which will bring hot water to the plumbing fixture.

Easy Hot Water Recirculation with The Taco 006-PNP periodically re-circulates hot water through the domestic piping system to decrease the delivery time to outlet fixtures and reduce wasted water. Typical timer programming set-up will cycle the Plumb n’ Plug during high peak usage periods such as early morning or early evening and the household's typical bath and shower times.

Taco's D’MAND Hot Water Recirculating System is the only recirculating system that operates 24 hours a day to provide hot water “on demand” at the same time it saves water, energy and money. The Taco D'MAND System has everything you need for an easy, trouble-free installation right in the box. No new water lines, no soldering, no mess.

Taco 554-4 Wireless Motion Sensor Starter Kit for automatic motion detection start. For use with all Taco D'MAND Hot Water Circulation Systems.

This tankless water heater pump from Laing is a timer and temperature controlled circulator. The pump is the industry's first hot water recirculation pump designed specifically for tankless water heater applications. The part number for the tankless water heater recirculation pump from Laing is UCT-909.

ACT-909 - TANKLESS. The Industries first RETROFIT hot water recirculation pump designed specifically for tankless water heater applications. Features of the ACT909 by Laing Inc. Designed for Easy Retro-Fit - No return line required! Compact spherical motor design, Energy efficient, Silent operation, Built-in temperature control, Built-in 24 hour timer with multiple on/off setting, 6 foot Plug-in type power cord.