Valiant (FIR361) Premium IV 4-Blade Heat Powered Log Burner & Stove Fan, Black
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- Compact design: only 199mm high to fit the tightest of spaces
- Ultra low starting temperature: as low as 50°C, perfect for all stoves with a flat top and for convector type twin skinned and topped stoves
- Unrivalled performance: pushing at a huge rate of 420 feet a minute; Fan requires no batteries or external power
- Thermally controlled actuator for optimum Peltier performance; Inbuilt protection system to stop the fan overheating
- Dynamically balanced fan for unrivalled motor life, balance & output; Optimum operating temperature range 80-250°C (175 - 480°F)
- Dimensions: Height (including blade): 199mm; Width (including blade): 180mm; Base plate width: 110mm; Base plate depth: 75mm; Total fan depth (approx.): 100mm & Weight: 550g
- Designed & engineered in the UK; Fully CE compliant; 24 months materials & workmanship guarantee
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The new fan packs a mighty punch; don't be deceived by its diminutive size, sitting at just 199mm high, our Premium 4 fan operates at a lower temperature and really blows hot air - FACT. The innovative Premium 4 Fan features a uniquely engineered design that boasts an advanced radiating fin to generate maximum airflow, with up to 70% more air flow than competitor products. Designed to start at a temperature as low as 45C, the fan requires no batteries or external power. Heat is conducted though the base of the fan and converted to electricity which powers the silent fan motor. With a durable, hard wearing black anodised finish, the fan automatically slows and stops as the heat from the stove burns out.
1 x Premium Stove Fan
1 x Instruction sheet
From the manufacturer
Premium IV Heat Powered Stove Fan
Don't be deceived by its diminutive size, sitting at just 199mm high, the Premium 4 stove fan operates at a lower temperature and really blows hot air. The innovative Premium 4 Fan features a uniquely engineered design that boasts an advanced radiating fin to generate maximum airflow, with up to 70% more air flow than competitor products.
Designed to start at a temperature as low as 45°C, the fan requires no batteries or external power. Heat is conducted though the base of the fan and converted to electricity which powers the silent fan motor. With a durable, hard wearing black anodised finish, the fan automatically slows and stops as the heat from the stove burns out. All Valiant heat powered stove fans are ideal for use on wood burning stoves in homes, narrowboats, or mobile homes, and can also be used on kitchen ranges and hobs.
How Does It Work
Stove fans are a fantastic innovation that can dramatically improve the warmth given out from your stove, in a fraction of the time. A stove fan will also reduce the heat dependency from your stove thereby saving you money in the long term on fuel costs.
Without a fan, a lot of heat generated by a stove is lost as the air rises directly vertically. However, a stove fan uses its blades to divert the warm air horizontally filling the whole room as opposed to the area directly between the stove and the ceiling!
The motion of the fan is driven by the heat from the stove meaning that no additional batteries or power is required. This also means the fans operate virtually silently. Some fans require hotter temperatures before they kick in, whilst some also have to be removed should the temperature become too high, so be sure to check the start-up temperature (the lower the better) and any maximum temperature before you choose your fan.
|Vanquish 250||Ventum II||Ventum III||Premium IV||Remora||2-Blade Stove Fan|
|Number Of Blades||2||2||3||4||4||2|
|Total Height (Including Blades)||250mm||174mm||199mm||199mm||200mm||230mm|
|Air Flow Rating (CFM)||218||120||132||132||132||122|
|Starting Temperature||50°C (125°F)||45°C (115°F)||45°C (115°F)||50°C (125°F)||50°C (125°F)||55°C (130°F)|
|Optimum Stove Surface Temperature||80-250°C (176-480°F)||80-250°C (176-480°F)||80-250°C (176-480°F)||80-250°C (176-480°F)||(Flue temp) 80-250°C (176-480°F)||100-300°C (210-570°F)|
|Maximum Operating Temperature||340°C (640°F)||320°C (600°F)||320°C (600°F)||340°C (640°F)||340°C (640°F)||340°C (640°F)|
|Best Use||Large rooms and large stoves.||Stoves with limited top space. Directional airflow. Narrowboats.||Inglenook fireplaces, free standing stoves, medium sized spaces.||Inglenook fireplaces, free standing stoves, medium to large sized spaces.||Magnetic Flue pipes. For stoves with sloping, uneven tops, or where the top is not suitable. Large sized spaces.||General Purpose.|
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Why mention all of this? Well this fan has plenty of good reviews. Suggesting it is both popular and more importantly, works well. But, the factors that determine if a fan is going to work, depend largely on 1) location of fire, 2) rating of fire, 3) physical room to put a fan, 4) how much air it can shift 5) how hot you run your fire. My Woodwarm 5Kw Firegem indicates that I limit the body temperature to 230C, so crazy 300+C temperatures are out of the question without causing potential damage to the fire. Not to mention that if the fire is sized correctly, running for long periods at high temperatures will cause the room to be so hot as to be uncomfortable. All I needed was a fan to push enough hot air forwards off the fire, to prevent the fire surround getting too hot to touch and thus, circulate the heat further into the room before it travels upwards.
Prior to using the fan I was running the fire at about 200-220C and not seeing a favourable increase in room temperature after a couple of hours, maybe just a few degrees. Given that I needed to limit the body to 230C, increasing the output was not an option and I had also noticed a massive rise in temperature of the fire opening. All the natural heat convection appeared to be into the chimney breast instead of the room.
After fitting the fan, the room felt markedly warmer in just an hour at 175C stove temperature. After 2 hours, I was throttling the fire back to tick over at 125C to achieve nice comfort levels without breaking into a sweat. After all the initial frustrations of having a woodburner that heated the fireplace, I now had a fire that did what it said on the tin and in a manner that wasn't costing an arm and leg to achieve in terms of fuel costs. Yes experience is key when operating a woodburner.
SO this fan - is it any good? Well yes actually, it starts up slowly at 45C and increases speed as the body temperature rises. It is pretty quiet in mechanical noise (moving air is always noisy if the velocity gets too great - hence get the biggest fan you can fit.) That said it is barely audible even at higher speeds and certainly can't be heard unless you get very close. I would say that it pushes air about 400-500mm very well and if you were to put lighted match 100mm from it the flame would nearly be blown out. Beyond the distances stated, the air movement is imperceptible as you sit and stare at the fire. But what impressed me most is how the thermals in the room are vastly improved, resulting in lower fire-opening temperatures, lower stove temperatures and a much quicker room heat-up time.
It has a two year warranty and a nice little note in the box from Bob Sizeland, Valiants director, which explains that they are a small business, proud of their product. I can empathise with that!! With a market drenched in cheap fans I was glad to pay more for this product. My only concern is this (and maybe Bob will respond), after a few years of operation, there may come a time when the fan motor gets noisy or packs up. Are spare motors available? If they are then you have my loyal support, because after spending my hard-earned on this product, I would like to be content in the knowledge that I can run it for many years to come. I wrote this lengthy review in the hope that it helps others to a more informed choice.
Important note!! At one stage I put two fans on my stove, one on the left hand side, the other on the right. I was confused for a while as the right hand side fan always seemed to turn slower than the left. I got a thermometer and measured both sides, turns out the right hand side was 50C degree cooler than the left, hence the slower fan RPM. I dug out the exploded view of my stove (Morso 1416), and realised that the secondary intake is at the top right hand rear of the stove, and the air is ducted past the right hand side of the chimeny just under the top of the stove, which therefore cools the right hand surface of the stove significantly. IN OTHER WORDS, make sure to test your fan on both left and right hand side of your stove, otherwise you may not be making best use of the heat available!
It is beautifully made, good strong materials nicely finished. And it works a treat, it really does push the air around our large 15 x 18 ft room. and starts up almost immediately.
But it had to be returned, because once it got going it was SO noisy - we had to turn up the TV just to be able to listen to a programme once this thing was whirring. We looked at adjusting the blades as suggested, but they were clearly all lined up ok.
Bought a much cheaper 2 blade by a different manufacturer (as an experiment) which was nowhere as well made or attractive to look at, but was quiet. Maybe will try the 2 blade on this make, though don't think it will do our large room based on the guidelines.
Very disappointed to give it 2 stars, and had the noise been quieter, we would have kept it and given it 5 stars.