A multiple boiler system using sectional cast-iron boilers has been configured to supply two loads as shown below. A “crossover pipe” is installed in case the flow rate in the primary circuit is different from the flow through the boilers. There are several piping errors in this proposed design. Can you spot at least five of them?

Looking over the new home plans in order to provide the builder with pricing, I noticed there was no chimney included.

An installer is asked to provide a system that supplies two zones of fin-tube baseboard and two zones of floor heating.

The major trend in the commercial boiler market, which will continue in 2021 and beyond, is the predominance of packaged boilers installed in multiple boiler cascade systems. 

Laars Heating Systems’ ultra-high-efficiency floor-standing FT series combination boiler and water heater is the only residential combi boiler that simultaneously supplies abundant home heat and endless hot water without interruption, the company states. 

It’s without question that technology has improved the mechanical world around us. From my smartphone, I can instantly see the health of hundreds of our boiler plants across the country. 

U.S. Boiler Co.’s Alta Combi boiler, is a gas-adaptive combi-boiler with 10:1 turndown. 

Raypak’s Raymote app helps customers leverage the value of visibility by allowing them to remotely monitor Raypak commercial boilers, as well as water or pool heaters. 

Navien’s new NCB-H condensing combi-boiler is packed with industry leading features, including the highest residential DHW Btu up to 210,000 per hour, cascade and common vent capabilities with NPE-2 tankless water heaters, advanced controls with intuitive display and the highest full lineup 2" vent length, up to 65', Navien notes.