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If you have already replaced the relay and the klions (I assume you mean the "pilot" or "ignition" module), and the steam boiler still won't heat up, there are a few more troubleshooting steps you can take:
1. Check the thermostat: Make sure the thermostat is set to a temperature higher than the current room temperature. If it's set correctly, you can try bypassing the thermostat temporarily to see if that resolves the issue.
2. Inspect the pressure settings: Steam boilers usually have pressure controls that regulate the system's pressure. Check if the pressure settings are within the recommended range. If the pressure is too low or too high, it can affect the boiler's ability to heat up.
3. Verify the fuel supply: Ensure that there is an adequate fuel supply to the boiler. If you're using gas, make sure the gas valve is open and the gas supply is sufficient. If it's an oil-fired boiler, ensure that there is enough oil in the tank.
4. Examine the safety controls: Steam boilers have various safety controls to protect against overheating and other issues. Check if any safety controls, such as a high-limit switch or pressure relief valve, have tripped or need to be reset.
5. Inspect the burner: The burner assembly could be clogged or malfunctioning, preventing proper combustion. Check the burner for any obstructions, such as dirt, debris, or soot buildup. Clean the burner if necessary or consider contacting a professional technician for assistance.
6. Seek professional help: If you've gone through these steps and the boiler still isn't heating up, it may be time to consult a professional HVAC technician who can diagnose the issue more accurately and perform any necessary repairs.
Remember, when dealing with boilers or any heating equipment, it's important to prioritize safety. If you're unsure or uncomfortable with troubleshooting, it's best to contact a qualified technician to avoid any potential hazards.
Call for Service. The timer is fine, the boiler has failed. I presume it is gas fired, which means that only gas registered service techs can work on it.
There are a few possible causes for your Peerless Gas Boiler not firing up on its own:
Faulty thermostat: Check if the thermostat is functioning properly. Make sure it's set to the correct temperature and that it's calling for heat when the temperature falls below the set point.
Pilot light issue: If the pilot light is not lit or keeps going out, the boiler won't fire up. Check the pilot light and ensure that it's lit and steady. If it's not, you may need to relight it or have a professional come to do it.
Dirty burners: If the burners are dirty or clogged, the boiler may have trouble firing up. Clean the burners and ensure that they're free of debris or buildup.
Faulty ignition system: If the ignition system is malfunctioning, the boiler won't fire up. Check the ignition system, and if it's faulty, have it repaired or replaced by a professional.
Electrical issue: If there's an issue with the electrical wiring or control board, the boiler may not fire up. Check the wiring and control board for any visible damage or issues. If you can't identify the problem, have a professional check it.
It's important to note that gas boilers can be dangerous if not handled properly, so if you're not familiar with the system, it's best to have a professional take a look.
Is this a wireless system, meaning no wires between the thermostat and the boiler? If so, check to see if the code buttons have been reset. If this is a hardwire system, the relay on your control board may be stuck. In any case, you can always shut off the boiler by turning off the gas and/or circuit breakers.
Best case, the gas selector switch is set to the pilot position. Rotate it to the full open position to allow the boiler to fire. If it is already in the normal operating position, you will probably need to replace the gas valve.
is there a toime delay on the thermostat ? And when you installled it did you see a section that says installers mode settings? You can get good information from the manufacture web site for the setting for the type heat and application that you are using the thermostat to control. Good Luck
If you start by looking on your gas valve, you should find the correct amperage to set the heat anticipator at. I am not sure if you have a forced hot water system or a steam system, but depending on the case, you may also have a second problem, which is easily addressed. If you have forced hot water, the upstairs baseboard/radiators may be airbound and need to be bleed. If you have steam, you may need to slow down the downstairs valves, and open the upstairs valves to get a balance. Hope this helps
Set the Miller to turn on at 7-10 degrees lower than your wood boiler. Make sure the Miler works by turning up the t-stat 10 degrees higher than room temperature first.
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