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On every boiler there are a number of safety devices. The safety relief valve, Low Water Fuel Cutoff. If the safety valve and the LWFC fail to do their job pressure and heat will build up in the drum of the boiler. The fusible plug acts as a last line of defense. The plug has a material that will melt at 400 degrees (usually tin) and when that melts away it creates a way for that built up pressure to escape causing a whistling sound. It's not enough to completely relieve the pressure but simply acts as a final warning for you to evacuate the building and/or area.
What else can I help you with?
How do residential boiler heater work?
http://en.wikipedia.org/wiki/Boiler Should be everything you need to know
How does a boiler jacket work?
The jackets surround teh boiler. The jacket interia contains such substances as fiberglass fibers, rockwool or treated, recycled wool fibre which hellp insult the heat and stop leaking heat to the air around the boiler.. Its a little like wearing a thick coat in winter.
Radiators are cold on second floor source of heat is a oil fired boiler?
The fuel does not matter, it would be more relevant to post if you are hot water or steam, that is where your problem lies. If steam try raising the boiler cutout pressure a little bit and if hot water look at the boiler pressure, does the pump work, is the coupling broken and do you have air in the system that needs to be bled?
How hot does it get inside a diesel boiler?
A boiler is used to boil water, but many boilers work at high pressure so the temperature could be up to about 300 degrees C. Boilers are usually fed with oil that is heavier than diesel, while diesel is used to fuel diesel engines.
How does a hydronic heater work?
A hydronic heater works by using a boiler system to heat the water and then is pumped throughout the house in order to heat the specific area of a home.
Will electricity work if the fusible link is bad?
What ever circuit that fusible link protected would be dead if the fusible link is blown.
How do residential boiler heater work?
http://en.wikipedia.org/wiki/Boiler Should be everything you need to know
How does a back boiler work scientifically?
A boiler works by heating water in an enclosed space. The expansion of water molecules as it transforms from a liquid state into a gaseous one causes the boiler to generate a vast amount of pressure. This is generally the science behind a back boiler.
Will your Mira Event XS power shower work if you have a combi boiler?
The Mira Event XS Power Shower cannot work with a combi boiler. This may cause damage to the Mira shower.
How did the first gas powered tractor work?
gas fired the boiler
Which companies offer on the job boiler training?
Stationary engineers and Boiler operators are some of the jobs that offfer on the job boiler training. Work opportunities are available at local chapters of the International Union of Operating Engineers.
How does a Davy lamp work?
Plug it in plug it in.
What is wrong with a truck that won't turn over at all but the lights still work?
Could be the fusible link from the starter solenoid to the starter itself. Also, other fusible links are installed by the manufacturer of the vehicle to protect your entire electrical system. A wiring diagram will be a great help in finding where all you fusible links are installed.
How do you fix cigarette lighter in 2002 Toyota Camry?
If you plug an electrical device in the 12 volt DC cigarette lighter of a 2002 Toyota Camry that draws more than 120 watts you may blow the fuse. The fuse block is behind a plastic cover below and to the left of the steering wheel. The back of the plastic cover shows the location of the 15 amp fuse. If you check the fuse and it's OK then the fusible link in the lighter plug is most likely blown. This happened to me. To remove the lighter plug you have to insert a small flat tip screw driver into a very small slot behind the black plastc mounting ring on the right side of the plug. The screw driver has to go in about 1/2" to depress a small plastic clip that is keeping the plug from coming out. There is another clip on the left side of the plug but there is no slot in the face plate on that side. You have to work it back and forth to get it to come out. It's not easy but it will come out. Once the plug is out you can diconnect the wiring plug and either replace the plug or if you can get the fusible link material replace that. The fusible link looks like a piece of solder wire with wire insulation on it. It is supported between four very small metal stand off brackets on the very back of the plug. The link will probably be melted if it blew the circuit. You can jumper these brackets together to check the operation of the plug.
Where are the fusible links for the headlights on a 1979 Celica?
A fusible link had disintergrated at the battery and was removed. Toyota no longer supports this part. I was not the one that removed the link so I am not sure where it would go back. The headlights do not work after the link was removed.
Can you cook pasta in a double boiler?
Pasta needs to cook in rapidly boiling water, so a double boiler won't work that well for cooking pasta.
Does the EU plug work in India?
No, the EU plug does not work in India as India uses a different type of plug and voltage system.
