Domestic Hot Water Recirculation get it hot fast

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Domestic Hot Water Recirculation …get it hot, fast and NOW!!

Domestic Hot Water Recirculation …get it hot, fast and NOW!!

Some Facts… • • Water heating is ____ largest residential energy use _______of the

Some Facts… • • Water heating is ____ largest residential energy use _______of the pie • Everything’s bigger today: – Median home______ – 1970: ____SF – 2010: ____ SF • Distance to furthest fixture _________ – 1970: _______ – 2010: _______ • Hot water fixtures ________ – 1970: _______ – 2010: _______ • ____ times longer to get hot water today compared to 1970 • DOE estimates family of four wastes up to ______ gallons of water per year

Types of DHW Recirc ___________ Pump and Controls Water Heater Aquastat Pump and Controls

Types of DHW Recirc ___________ Pump and Controls Water Heater Aquastat Pump and Controls Water Heater ______

Half-Loop Recirculation Using the Cold Water Line as Return Pump, Valve, Control, Thermo-sensor •

Half-Loop Recirculation Using the Cold Water Line as Return Pump, Valve, Control, Thermo-sensor • Taco Plumb n’ Plug® • Timer-controlled – – Analog – ________ Digital – _________ • What does the aquastat do? • Not recommended for ___________________

D’Mand • How is D’mand pump activated? • What are the advantages to D’Mand?

D’Mand • How is D’mand pump activated? • What are the advantages to D’Mand? Under-sink installation Water heater installation

With Tankless Water Heaters Tankless With Recirc Line

With Tankless Water Heaters Tankless With Recirc Line

Hot-Link!® • _______ “ 00” pump + _______ • Uses _________as _____ • Integral

Hot-Link!® • _______ “ 00” pump + _______ • Uses _________as _____ • Integral ____________ • Closes when _______ water reaches valve

A Case For Pipe Insulation • Speeds up ___________ • What is “consecutive use?

A Case For Pipe Insulation • Speeds up ___________ • What is “consecutive use? ” • How does pipe insulation affect water temperature drop when the water is flowing? • How does pipe insulation affect water temperature drop when the water isn’t flowing?