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John Siegenthaler: How to use a variable-speed circulator for boiler protection

Any boiler can become a condensing boiler under the right conditions.

John Siegenthaler, P.E.

January 4, 2019

All boilers that burn hydrocarbon fuels (natural gas, propane, oil, wood) produce water vapor as a byproduct of combustion.

The Glitch

The Glitch and Fix: Sometimes warm, sometimes not

The Glitch and Fix: December 2018

John Siegenthaler, P.E.

December 7, 2018

The Glitch: Eager to keep up with this new technology, an installer decides to install a hydraulic separator between a boiler and distribution system as shown below.

The glitch

The Glitch and Fix: Subtle differences

The Glitch and Fix: November 2018

John Siegenthaler, P.E.

November 27, 2018

An installer needs to provide heat from a conventional gas-fired boiler to a large buffer tank. The tank is necessary because of a highly zoned distribution system.

John Siegenthaler: Modern biomass meets state-of-the-art hydronics

This wood-pellet system example is intended to supply space heating and domestic hot water.

John Siegenthaler, P.E.

November 14, 2018

There will always be fringe markets for products that use renewable energy to provide marginal heating comfort. These markets survive because early adopters willingly sacrifice superior comfort as the perceived price for using renewable energy.

Roger McLaughlin Headshot900x550

Baxi appoints McLaughlin director of sales

McLaughlin’s responsibilities include overseeing the company’s channel management partners as well as leading the North American sales team

November 9, 2018

Roger comes to Baxi with a wealth of experience in the construction and building materials industries.

BaxiLogo900x550

Baxi establishes operations in North America

Move facilitates delivery of products, service and support “factory direct” to North American customers

November 8, 2018

Baxi will transfer all North American Baxi business and support to its Baxi North America factory operations.

The Glitch

The Glitch: Primarily problematic

John Siegenthaler, P.E.

October 24, 2018

The Glitch & Fix: October 2018

Ray Wohlfarth: A dangerous situation

October 23, 2018

It’s important to always be mentally present at every service call.

The Glitch

The Glitch: Follow the arrows

John Siegenthaler, P.E.

September 30, 2018

The Glitch and Fix: September 2018

John Siegenthaler: Injection mixing combined with thermal storage

John Siegenthaler, P.E.

September 28, 2018

This established technique doesn’t always receive due consideration.

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