Calray Gas Heat

571 Timpson Place Bronx, NY 10455

Phone: 212-722-5506

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Published on
July 13th, 2020

Boiler Won’t Turn On? Possible Causes and Fixes

If your boiler won’t turn on, this can create chaos in your life. Whether you’re the landlord or property manager of a New York City apartment building or a single-family homeowner, the results are the same: no hot water or heat. Here are some reasons your boiler may be giving you trouble, along with some possible fixes.

Understanding How Your Boiler Works

A straightforward system

First, it’s essential to understand how your boiler works, so you can try to determine what’s happening if it won’t turn on. A steam boiler is an uncomplicated closed system. But there are many places where things can go wrong (see list below), especially if boiler maintenance has not been thorough.

All boilers use the same basic science to provide heat and/or hot water. This includes small residential hot water boilers and industrial boilers designed to heat large multi-unit residences. Water is heated in a tank and distributed to a tap. Or, the steam generated is sent through pipes to heat radiators. In the case of radiators, once the steam cools, it re-condenses to liquid form and returns to the tank.

Possible Reasons Your Boiler Won’t Turn On

No power

This is an easy one to fix on your own most of the time. Check to see if a circuit breaker powering the boiler has tripped or if a fuse has blown. Reset the breaker, or replace the fuse. You may want to investigate what caused the power outage in the first place, though. For any electrical issues, our licensed electrical division — Bolt Electric — is available for emergencies or regular service.

Thermostat too low or malfunctioning

If your thermostat or boiler control (such as a Heat Timer) is set too low or isn’t working right, the boiler won’t “know” to turn on. Try turning up the temperature on the thermostat to trigger the boiler to ignite. If this doesn’t work, and the temperature is adequate, you may need to have the control professionally repaired or replaced.

Problem with the fuel source

If your natural gas is turned off for some reason, your boiler has no fuel source and therefore won’t turn on. Make sure the gas valve is open and that there is no gas outage in your neighborhood due to an accident or repairs. You can also check your burners to make sure nothing there is impairing the flow of gas.

Ignition system not working

If there is both power and electricity to the boiler, it could be that the ignition system is not working. We would recommend calling Calray Boilers to fix this issue.

Water level too low

Low water pressure can reduce your boiler’s automatic filling mechanism. And too little water can keep your boiler from coming on, too. A failure of the filling function could be a one-time fluke, or it could point to other problems. If the boiler will not fill, it’s time to discover why. Usually this means assistance from Calray Boilers. Or, if there is an underlying plumbing problem, our professionals at Sanitary Plumbing can help.

Leaking or blockages

Leaking water or blockages somewhere in your boiler system can also keep your boiler from coming on. Some possibilities include:

  • Leaking cast iron boiler sections
  • Leaking steel tubes
  • Leaking circulator pump
  • Leaking pressure relief valve

Safety issue

Many boilers nowadays are equipped with safety features that shut the boiler off or keep it from igniting if there is a safety issue. Shutoffs can be triggered by low water levels, probes in the tank becoming encrusted with water deposits or excessive pressure in the system.

These are not the only reasons, though. Unless you are knowledgeable about your boiler’s safety features, it’s smart to call in the experts here. Never ignore a safety trigger with your boiler. This can result in serious accidents or worse.

Need Professional Assistance? Call Calray Boilers

New York City’s boiler experts

The more you become familiar with your boiler system, the better you will be able to conduct self-diagnosis and repair. But when you need professional help, reach out to Calray Boilers, a division of the Omnia Mechanical Group.

We’re experienced at quickly identifying boiler problems and getting you the solutions you need. Call us at 212-722-5506 or use our online form to request an appointment. Don’t wait until you have a boiler emergency to act. Contact us today.


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Calray Gas Heat Corporation (the “Company”) strives to ensure the highest standards for property listings and customer information privacy. Please review the following statement to learn about our company practices and policies. Please be aware that our Privacy Policy is subject to change at any time.

1. Purpose.

This Privacy Policy (“the Policy”) provides information on how the Company uses your personal information. By agreeing to the Policy, you agree to our collection and use of your personal information as described in the Policy. This Privacy Policy is effective for all new users of Sanitaryplumbing.com.

2. Personal Information.

You can browse some areas of Calray.nyc (“the Website”) without being a registered user. However, certain activities do require registration. (You consent to the transfer and storage of your information by registering with Calray.nyc) We may collect and store the following personal information:

  • Name, email, address, telephone number, and (depending on the service used), move-in dates;
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Our primary purpose in collecting personal information is to provide you with a safe and user-friendly experience. For example, the Company may use your personal information to:

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We may occasionally ask you to complete optional surveys. These surveys are used to improve and customize your experience with Sanitaryplumbing.com.

The Company always provides you the ability to opt-out of further communication such as promotions and surveys; see the Opt-Out section below.

The Company does not share any of your personal information with outside organizations, companies, individuals, etc. The only exception to this standard is if such a disclosure is reasonably necessary to respond to any and all legal processes.

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The Website may have links to other websites that may collect personally identifiable information about you. The Company is not responsible for the privacy practices of the content of those linked websites.

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The Website has strict security measures in place to protect you and your information from fraud. Once your information is provided to Calray Gas Heat Corporation, we strive to ensure the confidentiality of your identity and information.

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The Company provides you with the opportunity to opt-out of receiving promotional and other non-essential, marketing-related communications from Calray Gas Heat Corporation. If you would like to opt-out of these select communications, please see any of the Company’s email communications and follow the directions indicated.

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The Company does not guarantee the accuracy of information for any and all of its properties on the Website, and is not responsible for any errors or misrepresentations (made by Renters, the Client, or otherwise).

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10. Changing Your Personal Information.

Should your personal information change, please immediately update your information on the Website. This will ensure the accuracy of our records. The Company does retain personal information from closed accounts in order to comply with law and collect and disburse any fees owed.

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This Privacy Policy addresses only the use of information we collect from you. Since Calray.nyc does not control the privacy policies of third parties, you are subject to the privacy policies of those third parties. It is advisable that you consult with the management of third parties before you disclose your personal information to others.

12. General

We may amend this Privacy Policy at any time by posting the amended terms on the Website. All amended terms are immediately effective after they are initially posted on the Website.

13. Privacy Policy Questions & Concerns

Questions and/or concerns regarding the Policy should be emailed to the following email address: info@calray.nyc