Decarbonization and Electrification are two terms which may bring both fear and hope to plumbing engineers and gas fired water heater manufacturers. The hope is …
Condensing Boiler Staging & Dual Return for Higher Efficiency (Part 4 of 4)
An engineer uses larger temperature differences and deep reset when designing a condensing hydronic heating system. The design may utilize staging of multiple boilers in …
Condensing Boiler Temperature Reset for Increased Efficiency (Part 3 of 4)
We are continuing with the series on Condensing Heating System Efficiency. Today, we are discussing condensing boiler temperature reset for increased efficiency. Hydronic condensing heating …
Permanent Magnet (PMAC) Motors & Electronically Commutated (ECM) Motors in Hydronic Systems (Part 2 of 3)
Can I and should I specify permanent magnet motors (PMAC) on my hydronic system pumps? The last R. L. Deppmann Monday Morning Minutes showed the …