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Boiler Replacement at Apartment Building

Crawford Division: Mechanical
Challenge: Replace inefficient boiler system 
Solution: Install 95.1% efficient wall hung boiler system

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Project Summary:
Crawford Company removed an existing cast iron sectional hot water boiler, primary piping, and hydronic accessories. Crawford installed (2) Weil McLain ECO-155 95.1% AFUE efficient wall hung boilers. The boilers were installed will new Grundfos multi-speed zone circulators, and primary circulators. This application called for CSD-1 compliant controls, ASME expansion tank, emergency boiler shutoff, and back flow prevention. This system serves the heating needs of nine units in the apartment building. 

The existing traditional 40 gallon water heater was also removed and a new Aqua Plus 55 indirect fired water heater was installed on the boiler system. This water heater is set up to take priority heating calls over the space heating to allow for the buildings domestic hot water needs to be met. The water heater is heated off the 95.1% efficient boilers and can produce hot water very quickly. 

WHAT ARE PEOPLE SAYING

You did it when no one else would and I really appreciate it. Doesn't get much better than that! (Crawford North metal fabrication job)

Cliff Trilk