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The Importance of Turndown Ratio in Condensing Boilers & Water Heaters

Norm Hall October 19, 2009 Boilers, Condensing, Monday Morning Minutes, Selection and Specification

Printer Friendly (PDF) Condensing boilers are most efficient at lower return temperatures and lower firing rates. Let’s look at lower firing rates today. Turndown is …

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Maximizing Delta T in Boilers

Norm Hall September 7, 2009 Boilers, Condensing, Hydronic System Design, Monday Morning Minutes, Primary Secondary Piping, Selection and Specification, Temperature Control

Printer Friendly (PDF) Last week, we created a chart showing the flow rates and temperatures in an example system so we could maximize the delta …

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Condensing Boiler Piping – Part 1

Norm Hall July 20, 2009 Boilers, Condensing, Hydronic System Design, Monday Morning Minutes, Piping and Installation, Primary Secondary Piping

Over the next several weeks, the Monday Morning Minute articles will focus on the piping side of boiler and water heater layout. We will focus …

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Boilerscondensing boilershydronic system design

Venting Considerations for Condensing Boilers & Water Heaters

Norm Hall July 13, 2009 Boilers, Monday Morning Minutes, Venting, Venting, Water Heaters

Printer Friendly (PDF) How do I vent my condensing boiler or water heater? What materials should I use? What size vent should I use? The …

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Turndown Ratios in Condensing Boilers and Water Heaters

Norm Hall June 29, 2009 Boilers, Condensing, Condensing, Gas Fired, Monday Morning Minutes, Operation, Operation, Operation, Water Heaters

Printer Friendly (PDF) Early hydronic boilers started with on-off control, moved into staging, and many now use modulating control. Each one of these steps has …

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Materials of Construction for Condensing Boilers and Water Heaters

Norm Hall June 22, 2009 Boilers, Condensing, Condensing, Gas Fired, Materials of Construction, Materials of Construction, Monday Morning Minutes, Selection and Specification, Water Heaters

Printer Friendly (PDF) Before we start discussing materials of construction, there is a point that we need to understand. Any boiler or water heater can …

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What is the efficiency of my installed condensing boiler or water heater?

Norm Hall June 15, 2009 Boilers, Condensing, Efficiency, Monday Morning Minutes, Operation

If you answered 97%, you’re not alone. You’re most likely not right, but you’re not alone. Many boiler manufacturers have jumped into the world of …

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