• Latest from Hydronics & Radiant

    Infinity Drain
    ctr2506_infinitydrain
    This week's gallery looks at indirect water heaters, high-efficiency gas water heaters and stainless fire-tube boilers; a linear drain; a freestanding tub; and a lug-style butterfly...
    May 23, 2025
    Patrick Linhardt
    Photo #1.
    What if you could use one single supply/return main distributing steam in the basement to the branch circuits?
    May 22, 2025

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    EF SERIES ULTRA HIGH EFFICIENCY WATER HEATERS

    THE EF SERIES ULTRA HIGH EFFICIENCY WATER HEATERS feature the Honeywell Integrated Control System.
    Jan. 14, 2013
    Contractormag Com Sites Contractormag com Files Uploads 2013 01 Ctr1301p02
    Contractormag Com Sites Contractormag com Files Uploads 2013 01 Ctr1301p02
    THE EF SERIES ULTRA HIGH EFFICIENCY WATER HEATERS feature the Honeywell Integrated Control System for temperature control, diagnostics and system ignition functions. The heater can deliver thermal efficiencies as high as 99.1%.        Bradford White  CIRCLE 106 on inquiry card

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