Ask George

Ever come across a nagging problem that you just can't seem to solve?

Or just want to run an idea by someone?

Well our "ASK GEORGE" section has been created for YOU!

If you have a question about a hot water or steam heating system, just ASK! We'll get back to you as soon as possible. Also, check out our archive section to view previous questions that have been asked before! All of the questions have been cataloged by their subject matter.

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George's Forum

The following is a list of the most frequently asked questions that our salespeople (inside & outside) receive during the day. We have also provided an answer for each of these questions. If you have any questions or comments regarding these answers or if you have a question that hasn't been asked yet, please fill out the form above.

• Steam Heating System
• Hot Water Heating System
• Controls for Heating Systems
• Domestic Water Heating System

Steam Heating System

Question: What size Watchman Unit or Condensate Unit do I need to handle my boiler's needs?
Answer: Size is based on sq. ft. of "EDR." The boiler's horsepower determines this.  1Bhp = 140 sq. ft. E.D.R.
Example: My boiler is 40 HP.  40 X 140 = 5600 sq. ft  - WC6 Watchman Unit.

Question: Can I use the new ITT McDonnell & Miller Unimatch Feeders with my older low water cutoff?
Answer: Yes, they can be used with both electrical and mechanical cutoffs.

Hot Water Heating System

Question: What information do I need to get parts for my B&G Pump?
Answer: 1. Serial number from pump (if available). 2. GPM and head conditions, or the casting number of the volute (begins with the letter "P").

Question: Can you help me size a heat exchanger? What information do I need?
Answer: The size of a heat exchanger is based on temperature changes and GPM flow. We need the inlet temperature of the water and the desired outlet temperature to properly select your unit.
Example: Inlet temperature 60 degrees.  Need outlet temperature of 80 degrees @ 30GPM.

Question: I have a hot water pump. Do I need a special seal kit?
Answer: The standard seal kits in B&G can handle up to 225 degrees F. for most applications. (Optional configurations for higher temperatures are available.

Controls for Heating Systems

Question: What Tekmar control do I use with two boilers and domestic hot water (DHW) priority?
Answer: The Tekmar #264 will handle two boilers and DHW.

Domestic Water Heating System

Question: What does "Bronze-Fitted" mean? Can I use this on domestic water?
Answer: "Bronze Fitted" means bronze impeller and shaft sleeve. It is the standard configuration for domestic water use. It is best to configure pumps in "All Bronze" construction.

Question: What does "N.F.I." mean?
Answer: "N.F.I" stands for non-ferrous impeller. It is a more cost efficient way to pump domestic hot water than "All Bronze".