Mechanical Systems - Articles - Page 45

Navien NPE-S series condensing tankless water heaters

October 20, 2016

Navien’s NPE-S series condensing tankless water heaters feature an efficiency of 0.99EF.

Noritz EZTR40 residential condensing tankless water heater

October 20, 2016

Noritz’s EZTR40 residential condensing tankless water heater is designed to replace a conventional 40-gal. tank-type water heater.

PM Profile: Incoming President of the PHCC-NA, Patrick Wallner

Incoming national president seeks to increase PHCC membership by ‘Collaborating for Success’

Jack Sweet

October 11, 2016

Wallner sees opportunities for contractors to attract more young people, add more services.

Options for achieving hydraulic seperation between circulators

Keeping the peace.

John Siegenthaler, P.E.

October 5, 2016

Twenty years ago, the contemporary approach to prevent interference between simultaneously operating circulators in a hydronic system was primary/secondary piping.

Tool Tips: Water replacement tricks, removing threaded drain plugs

September 28, 2016

Water heaters and drain plugs

4 things to look out for in steam boiler pressure controls

Something is wrong with the boiler control.

Ray Wohlfarth

September 28, 2016

Operating pressure control for a boiler.

Soldering vs. brazing when piping is involved

As for the HVAC system, brazing is definitely necessary.

Julius Ballanco P.E., CPD

September 28, 2016

When to use and which is stronger?

Primary/secondary systems need proper detailing to work correctly

Double dipping in primary/secondary systems.

John Siegenthaler, P.E.

September 28, 2016

A seemingly good idea that doesn’t work.

Radiant ceilings offer options for heritage homes and other buildings

Looking up to heating systems.

Jerry Leyte

September 27, 2016

When most of us think about hydronic radiant systems, usually heated floor and radiators and radiators spring to mind.

Tulsa Zoo utilizes radiant technology in multimillion-dollar renovation

Zoo personnel can change the floor temperatures at any time, should the need for warmer or cooler floors arise.

Rachel Ruhl

September 27, 2016

Below the surface of the man-made rocks…electric snow- and ice-melt cable will keep the rocks warm and dry during even the coldest winters.

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Navien NPE-S series condensing tankless water heaters

Noritz EZTR40 residential condensing tankless water heater

PM Profile: Incoming President of the PHCC-NA, Patrick Wallner

Options for achieving hydraulic seperation between circulators

Tool Tips: Water replacement tricks, removing threaded drain plugs

4 things to look out for in steam boiler pressure controls

Soldering vs. brazing when piping is involved

Primary/secondary systems need proper detailing to work correctly

Radiant ceilings offer options for heritage homes and other buildings

Tulsa Zoo utilizes radiant technology in multimillion-dollar renovation

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Stay in the know on the latest plumbing & piping industry trends.

Mechanical Systems
RSS