Boiler FAQ
Boiler FAQ's- Is the boiler pressurized or non-pressurized?Friday, 17 August 2007
All boilers are UL listed as pressurized boilers.
Last Updated Thursday, 15 November 2007100,00% of 13 voters found this FAQ useful, I found this FAQ
useful 
not useful - Is the boiler ASME rated?Friday, 17 August 2007
Yes, all of our boiler tanks are ASME certified.
Last Updated Thursday, 15 November 2007100,00% of 9 voters found this FAQ useful, I found this FAQ useful not useful - What is ASME?Friday, 17 August 2007
American Society of Mechanical Engineers (ASME) - a professional society that sets the standards for mechanical devices.
Last Updated Thursday, 15 November 200788,89% of 9 voters found this FAQ useful, I found this FAQ useful not useful - Can I install the unit outdoors?Friday, 17 August 2007
No, these units are rated for indoor applications only and can not be installed directly outside. If you wish to install it outdoors, you will need to provide an enclosure to protect the unit from the elements. You will also need to add a low water cut out switch to the boiler.
Last Updated Thursday, 15 November 2007100,00% of 11 voters found this FAQ useful, I found this FAQ useful not useful - Are there special piping concerns?Friday, 17 August 2007
Yes, all units must be on a primary/secondary pumping system with the primary pump running 24/7. Or they must have a dedicated dump zone to prevent overheating on long periods of idle time.
Last Updated Thursday, 15 November 2007100,00% of 9 voters found this FAQ useful, I found this FAQ useful not useful - How often must I clean the flue tubes?Friday, 17 August 2007
LDJ recommends once a month or as needed.
Last Updated Thursday, 15 November 2007100,00% of 6 voters found this FAQ useful, I found this FAQ useful not useful - Can I hook a thermostat to the boiler?Tuesday, 25 September 2007
LDJ prefers no thermostats attached directly to the boiler.
Last Updated Thursday, 15 November 2007100,00% of 4 voters found this FAQ useful, I found this FAQ useful not useful - Can I do infloor heat?Tuesday, 25 September 2007
With a properly designed system you can do infloor heating. LDJ recommends the use of a buffer storage tank with infloor heat systems to prevent low return water temperatures from entering the boiler.
Last Updated Thursday, 15 November 2007100,00% of 5 voters found this FAQ useful, I found this FAQ useful not useful - Can I connect the boiler to a gas or electric furnace?Tuesday, 25 September 2007
By utilizing a field supplied hot water coil you can add this to your existing furnace or air handler.
Last Updated Thursday, 15 November 2007100,00% of 4 voters found this FAQ useful, I found this FAQ useful not useful - What size pipe should I use?Tuesday, 25 September 2007
LDJ recommends using 1-1/2 pipe for your primary loop.
Last Updated Thursday, 15 November 2007100,00% of 4 voters found this FAQ useful, I found this FAQ useful not useful - How big of a pump do I need?Tuesday, 25 September 2007
Pumping size will need to be sized for your application. LDJ recommends a pump that can move 1 gpm for every ten thousand BTUs of your appliance.
Last Updated Thursday, 15 November 2007100,00% of 6 voters found this FAQ useful, I found this FAQ useful not useful - Which holes do I use?Tuesday, 25 September 2007
The very top holes are for supply and the very bottom holes are for return. The middle holes are for inspection and cannot be used. You will need a minimum of one supply and one return.
Last Updated Thursday, 15 November 2007100,00% of 6 voters found this FAQ useful, I found this FAQ useful not useful - Does the boiler require an expansion tank?Tuesday, 25 September 2007
Yes, an expansion tank is required.
Last Updated Thursday, 15 November 2007100,00% of 8 voters found this FAQ useful, I found this FAQ useful not useful - How many gallons of water does the tank hold?Tuesday, 25 September 2007
18 gallons.
Last Updated Thursday, 15 November 2007100,00% of 9 voters found this FAQ useful, I found this FAQ useful not useful - Can I use the boiler as a hot water heater?Tuesday, 25 September 2007
No, these units are not to be used as a direct heating source for portable water. You may incorporate a water to water heat exchanger or a side arm heat exchanger to supplement your current hot water heater.
Last Updated Thursday, 15 November 200785,71% of 7 voters found this FAQ useful, I found this FAQ useful not useful - What is the minimum return water temperature?Tuesday, 25 September 2007
The minimum required return water temperature is 140°F.
Last Updated Thursday, 15 November 2007100,00% of 9 voters found this FAQ useful, I found this FAQ useful not useful
