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The Basics: How Your Gas Boiler Works (Back to Top)
No Heat? When temperatures drop, your boiler may have difficulty keeping your home at a comfortable temperature.
PSE&G's special No Heat page offers tips on conserving the heat you have, and getting your heating system to work right.
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Cleaning your Boiler Steam Boilers
To clean a steam boiler, use one pound of trisodium phosphate for every fifty gallons of water content. Heat the boiler to 180°F; hold at 180°F for two hours. Do not allow the boiler to make steam. After two hours, drain the boiler and fill with fresh makeup water. Water treatment chemicals should be thoroughly reviewed before they are introduced into the boiler. Foaming agents that will interfere with steam action are of particular concern. Sodium carbonate (one pound for every 30 gallons) or sodium hydroxide (lye) (one pound for every fifty gallons) may be used.
Check pH level after cleaning. It should be between 7 and 8.5. A small amount of cleaner may be added to adjust the pH up to the proper range.
DO NOT use petroleum based products in the boiler.
Water Boilers
Use one pound of trisodium phosphate for every fifty gallons of water content. Fill, vent and circulate the system with above mixture, allowing it to reach design or operating temperature, if possible. After circulating a few hours, drain the system completely and refill with fresh water. Usually, enough of the cleaner will adhere to the piping to give an alkaline solution satisfactory for operation; a pH reading between 7 to 8.5. Sodium carbonate (one pound for every 30 gallons of water content) or sodium hydroxide (lye) (one pound for every 50 gallons) may be used.
Check pH level after cleaning. It should be between 7 and 8.5. A small amount of cleaner maybe added to adjust the pH up to the proper range.
DO NOT use petroleum based products in the boiler.
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Frequently-Asked Questions
Q: How will I know what size boiler is appropriate for my house or business?
A: PSE&G can perform a heat loss estimate based upon the size and construction of your home before recommending a boiler size and model.
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Q: I think my boiler water temperature is wrong. What are the proper temperature settings for my system?
A: Aquastat settings for forced hot water systems: "average" setting is 180 degrees F. Can be raised as high as 210 degrees F., if needed in severe weather. For systems with coils to heat domestic hot water, high limit setting of 210 degrees F. with low limit setting of 190 degrees F. and differential setting of 15 is recommended for optimum amount of domestic hot water.
Q: Can I use anti-freeze to protect my system?
A: Anti-freeze can be used with PSE&G's Weil-McLain boilers. We recommend using an anti-freeze designed for hydronic systems, formulated with inhibited propylene glycol, a non-toxic antifreeze. A solution of up to 50% can be used. No compounds containing petroleum should ever be used in your heating system. Do not use automotive anti-freeze.
Q: How can I obtain Weil-McLain product manuals?
A: Several product manuals are available for download. We will continue to add manuals to our website. However, if your manual is not listed in our electronic index, please click here to request a hard copy.
Q: What should I do if my heating system is not working correctly?
A: Please contact your local heating professional to troubleshoot your system. Your heating professional can contact a Weil-McLain Distributor or our Technical Service Department for additional assistance.
Q: How can I get an expert from Weil-McLain to troubleshoot my boiler?
A: Weil-McLain does not employ heating technicians who can come out and repair your boiler, nor do we have factory-authorized servicers. We rely upon independent heating professionals in your area to install, maintain and troubleshoot Weil-McLain products. Please contact PSE&G (800-350-7734) or a heating professional in your area. If needed, your heating contractor can contact our area office or our technical service department for assistance with trouble-shooting problems.
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Q: Help, my boiler is leaking! Who do I call?
A: If your boiler is leaking, contact PSE&G (800-539-7734) or the professional heating contractor of your choice. If the unit needs to be replaced immediately, your heating contractor should obtain the appropriate cast iron section block or boiler from our local wholesale distributor. Warranty is not approved sight unseen, nor can our field representatives make any type of determination while the boiler is still installed. For warranty consideration, the leaking boiler or section block should be returned to the same wholesale distributor where the replacement was purchased.
For additional frequently asked questions and answers, visit the Weil-McLain FAQ page .
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Need a new Gas Boiler? PSE&G will replace your gas boiler with quality Weil-McLain products. We offer an easy payment plan, with no money down and monthly payments right on your PSE&G bill.
For a free replacement estimate Call 1-800-539-7734 or find out more about our Gas Heating Replacement offer.
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