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oil
An oil is any nonpolar chemical substance that is composed primarily of hydrocarbons and is both hydrophobic (does not mix with water, literally "water fearing") and lipophilic (mixes with other oils, literally "fat loving"). Oils are usually flammable and surface active. Most oils are unsaturated lipids that are liquid at room temperature.
The general definition of oil includes classes of chemical compounds that may be otherwise unrelated in structure, properties, and uses. Oils may be animal, vegetable, or petrochemical in origin, and may be volatile or non-volatile. They are used for food (e.g., olive oil), fuel (e.g., heating oil), medical purposes (e.g., mineral oil), lubrication (e.g. motor oil), and the manufacture of many types of paints, plastics, and other materials. Specially prepared oils are used in some religious ceremonies and rituals as purifying agents.
Hi,
Over the past few months, my wife and I have noticed a constant pulsing sound throughout the house which is particularly noisy at night (this could be as a result of us noticing the sound more when there is less environmental noise). Unfortunately, it is severely disrupting our sleep, so we...
Grant Vortex 50/90 condensing oil boiler where the air tube spigot over the fan is not connected to the existing flue, should this be closed off with a Reillo cover plate to stop vermin getting into the open fan motor.If is blanked over will need a further combustion test to confirm adequate...
I'm looking for some advice on a frustrating problem I'm having with my old Eurostar 50-60s oil boiler please? Although it's old, most parts needed to operate it are now new.
The symptoms indicated a broken/seized burner motor or oil pump. I wrongly assumed the motor so I ordered a new one only...
Any advice welcome as plumber stumped
Had 36-46 grant vortex utility boiler 7 years no problem recently oil tank move and tigerloop install (tank about 1m lower).
10 days later and boiler either doesn't fire or fires stops, fires runs splutters stops. Most it runs now is 10 mins, but that's...
Hi, can anyone tell me which pipes are flow and return please.
I removed old leaking 2008 C26 firebird oil boiler in June .
We have now completed damp proofing works & I need to extend these 4 pipes to go through the wall and into a new boiler room.
This area will then be stud wall and...
Help Please
We have a 2005 Worcester Bosch Oil Heatslave 26/32 that is fitted with the optional timer. Recently we have a problem.
To get either the heating or hot water to switch on the timer has first to be set for both to be ON but this just prepares the unit as neither will switch on at...
Hi All,
We have finally decided after a bit of a persuasion to have installed a utility room in our garage that currently houses our oil boiler. Initially we thought the boiler may stay in place but after discussions with the builder we would have to move the boiler to replace the floor and...
Im working on 6 suspended air blowers running old riello G5s.Oil tank is 100m away on
ground level so 5m lower than the burners.So each unit has a Tigerloop which are all supplied with half inch iron pipework. Each unit has isolating valve 3\8 regulator oil filter then tigerloop. Can anyone...
Hello. I have an oil fuelled combi boiler and the hot water starts hot, then goes cold for a few seconds and then back to hot... Is this right? Thank you.
I've a client with a rusty 20yr+ old Certikin 180 (44kw) oil pool boiler that needs changing. Certikins replacement looks like it is the exact same boiler. It has a riello r40 burner and non condensing 85% efficient boiler... Oftec say it wouldn't be compliant and would have to contact Building...
My oil boiler is 2009 vintage. Just been serviced. Had a new tank fitted by approved fitter. I notice that the bottom of the tank is roughly on the level of the boiler feed pipe. Then I notice in the Grant instal manual for a single pipe feed the tank should be 300mm min above the boiler feed...
My firebird oil boiler hw supply is luke warm, but does heat up slightly when run if the ch is on at the same time.
Is this a faulty diverter valve?
If so could I replace this myself as I've heard they're expensive to fix.
Tia
Hi,
I wonder if anyone can help.
I have a Worcester Oil Heatlslave 20/25 that has started making a fairly loud knocking noise and the the pressure gauge flicks a little when the noise thumps. The hot water still works, I've turned off the heating for the time being.
Any ideas on what the...
got new oil and tried to start my reillo g3b oil burner ,when it idnt fire and went to lockout i bleed the pump and check the nozzle ,and eventually took apart the pump to find lots of black oil slug around the oil pump.so i cleaned all the stuff of and cleaned through the pump and the only...
Hi all,
Thanks for reading. I just picked up a 2015 greenstar 2 heatslave 18/25 oil boiler to replace my relic from the 80's (still a greenstar bit not up to the flow requirements and it's not a condensing boiler so not efficient). Obviously a used item, it has 2 oil feeds. My current boiler...
Hi, we have Worcester Bosch heatslave external oil boiler 18/25
Boiler locked out. Pressure was below 0.5 so brought pressure back up. When lock out is reset the burner attempts to light but sounds like a bag of spanners and cuts out again smelling strongly of oil. We have plenty of oil & the...
Hello all
Our riello burner intermittently won’t ignite. However for some reason when you tap gently the oil pump it lights every time. Any help appreciated. Thank you
I'm new to oil fired boilers.
The first time I topped up my oil tank, I had the supplier organise the additive. From now on, I will buy my own additives. Is there any particular type the oil engineers on the forum would recommend? Heating only, no aga ect.
Hi, is it ok to turn on and use new grants external oil combi boiler, before it gets commisioned next week ? or can this cause any damage at all, ? many thanks.
Hi, We have a Grant oil combi boiler. Only 3 years old. Been a right pain. Already had expansion vessel replaced and the 3 bar PRV and another thing that I have forgotten name of, but it has a load of copper mini pipes is a square loop. Then when it was really cold the overflow started chucking...