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Showing 13 articles.
hydronic-system-components
A straight-talking guide to replacing circulator pumps on cast iron hydronic boilers — covering the Grundfos UPS26-99FC specs, real-world installer
·9 min read
heat-distribution-zones
Choosing the right PEX tubing and distribution manifold for a cast iron boiler radiant system comes down to two non-negotiable decisions: oxygen barrier spec
·9 min read
Grace Kim
The right reference books can make the difference between guessing at a hydronic system problem and solving it systematically. Here's the short list that
·9 min read
heat-distribution-zones
Kickspace heaters punch above their size in tight kitchens and baths — but manufacturer BTU ratings don't tell the whole story. Here's how Beacon Morris and
·10 min read
heat-distribution-zones
Worn or damaged baseboard heating covers don't mean you have to drain the system. Learn how to measure, match, and swap covers room by room—without breaking
·9 min read
heat-distribution-zones
A pre-assembled radiant panel can simplify a hydronic radiant installation dramatically — but only if the zone count and pump curves match what your cast iron
·9 min read
hydronic-system-components
Pick the wrong expansion tank and your boiler pressure relief valve starts weeping within a season. Here's how to size correctly and choose between the three
·11 min read
hydronic-system-components
A pressure relief valve is your boiler's last line of defense against a catastrophic overpressure event. Here's how to select, size, and install one correctly
·9 min read
Grace Kim
Hydronic heat is famously comfortable, but it doesn't add moisture to your air — leaving homeowners with dry-skin and static complaints all winter. Here's how
·9 min read
Grace Kim
A practical guide to cast iron wood stove steamers — what rust and smell are normal, how to season one properly, and which models hold up in real owner use.
·10 min read
Grace Kim
A practical guide to the best books on hydronic heating systems — reviewed through the eyes of licensed technicians, engineers, and homeowners who actually
·11 min read
hydronic-system-components
Glycol antifreeze and magnetic filters aren't just add-ons — they're the difference between a cast iron boiler that lasts 30 years and one that fails at year
·9 min read
heat-distribution-zones
If your cast iron boiler has spare capacity, a hydronic hanging unit heater may be the cleanest way to heat your garage or workshop — here's how to size it
·10 min read