Radiant/Hydronics

Taco residential smart water circulator

Taco’s SmartPlus circulator monitors and records the home’s hot water usage pattern for seven days of operation
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The circulator automatically shifts to vacation mode if hot water isn’t used for 36 hours; water is circulated once a week to prevent corrosion and scale buildup.


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Viega commercial water recirculation system

The Viega SmartLoop system helps maintain water quality by reducing water stagnation.
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Water within the system remains in constant motion, reducing the risk of waterborne pathogens. The system offers energy- and water-consumption savings potential of up to 40%.


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Uponor hydronic distribution piping

Uponor provides PEX-a tubing for commercial hydronic distribution systems in sizes up to 2”.
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It is available in straight lengths for distribution runs or in coils for connecting to terminal units, such as radiators, fan coils or single-duct digital variable air volume boxes.


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Grundfos boiler-circulator pump package

Grundfos’ ultra-efficient ALPHA circulators are paired as options on most U.S. Boiler gas cast-iron heating products.
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Made in the United States, the pump is designed for circulating liquids in light commercial and residential heating systems.


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Enovative tankless water heater recirculation

Enovative’s On-Demand Pump is a new recirculation system/pump used in homes, multiunit residential or commercial building applications.
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Enovative’s On-Demand Pump is a new recirculation system/pump used in homes, multiunit residential or commercial building applications.


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Bell & Gossett wireless instant hot water system

Bell & Gossett’s ecocirc wireless instant hot water system is designed for plumbing systems without a recirculation line.
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Bell & Gossett’s ecocirc wireless instant hot water system is designed for plumbing systems without a recirculation line.


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Boiler safety lessons

An average of 17 boiler incidents occurs each year.
By Ray Wohlfarth
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I am not sure whether it was divine intervention or just plain luck that allowed these brave firefighters to walk away from this.


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Our industry needs more focus on distribution systems

It’s not all about the boiler.
By John Siegenthaler, P.E.
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As an industry, we have to move beyond judging the quality of a hydronic system based solely on the heat source.


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Get real — get hydronic heat

Reality shows.
By Dan Holohan
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An old, cast-iron pipe, with the slightest amount of water in it for two winters can crack laterally and for quite a few feet.


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Benefits of hot water recirculation

Add balancing valves for temperature consistency.
By Kevin Freidt
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Due to this source of wasted water and the significant potential in energy and resource savings in preventing it, a growing number of building codes are requiring hot water recirculation or pipe heating (such as electrical tape) to conserve water.


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9/16/14 9:00 am PDT

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Plumbing and Mechanical

2014 August

2014 August

In the August issue of PM, read about the continued construction and renovations being made to hotels and restaurants. Find out the focus of this year's ISH China show will be, who made this month's Truck of the Month and read what Elkay has to say about their commercial construction expansion. Also, read the latest news and discover the newest products being used by professionals in the plumbing and mechanical industry.
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