The Glitch & The Fix

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A hydronic system is to be designed to supply four identical panel radiators and an indirect water heater from a gas-fired, sectional cast-iron boiler.

Here’s a schematic based on a sketch that was sent to me. Make a list of at least five things you think should be changed.

Joe’s Plumbing gets a call to install solar water heating for a long-time customer. 

An old New England home has been heated with a two-pipe steam system serving plenty of sturdy cast-iron radiators.

A project requires both medium- and low-temperature radiant floor panels.

An installer sets up a zoned distribution system

An installer learns that a hydraulic separator can replace a pair of closely spaced tees and an air separator.

A customer, who originally agreed to install a zoned radiant floor heating system supplied by a modulating/condensing boiler, changes his mind after the system has been designed.

A multiple boiler system has been configured to supply two loads as shown below.

Using a gas-fired cast-iron boiler to supply zoned radiant floor heating.