If you have a steam boiler you’re also going to have a pressuretrol.

Sherlock Holmes has always been one of my favorite fictional characters. I envied how he would notice each detail and use every one of his senses to solve the crime. 

Figure 1 shows a hydronic system that's intended to supply four panel radiators, each with its own thermostatic radiator valve, and an indirect water heater from a gas-fired sectional cast-iron boiler.

An installer is asked to connect an old (but still working) propane-fueled cast-iron boiler, which was salvaged from another project, to a slab-on-grade floor heating system in a new workshop.

An installer is asked to pipe two independent zones of high mass floor heating to a conventional gas-fired boiler.

How to become a psychologist and therapist in one easy lesson: Open a mechanical contracting firm!

An installer was asked to include an air-to-water heat pump into a low-temperature radiant panel heating system supplied by a mod/con boiler.

When I look at any replacement hydronic boiler project, my tenet is always to assume the existing system is installed improperly. I like to pretend I am a famous detective, such as Sherlock Holmes, and my job is to uncover the hidden mistakes.

The 1970s bestseller “Zen and the Art of Motorcycle Maintenance: An Inquiry into Values” used the author’s experience repairing a motorcycle on a cross-country trip to explore competing approaches to life.