Samsung + Whirlpool + GE = The New Whirlpool
Seems LGs TurboWash feature with the recirculation pump has had its impact on the market. AFAIK, GE seems to be the only one that isn't using a recirculation pump in any of its front loaders.
There seems to be variation in terms of implementation on how Whirlpool/Maytag, Electrolux, LG and Samsung appear to utilize the recirculation pump during the wash phase.
Whirlpool and Electrolux both appear to utilize the recirculation pump periodically throughout the wash cycle. What they appear to do is saturate the load with the soapy solution, then tumble it around for a bit and repeat and seems to be the case in all their cycles. What this would provide is more mechanical action while in tandem ensuring the load is evenly saturated with the solution and thus would actually improve cleaning performance over LGs Turbowash. In fact on TurboWash models during the Heavy Duty cycle on LG front loaders, the wash portions utilization of the recirculation spray is very similar to what Electrolux and Whirlpool are doing with their implementation. Here LG does not continuously spray the load down while tumbling as seen on other cycles, what they do instead is kick on the recirculation pump in few second bursts and pauses while tumbling the load.
On my 2018 LG WM4370, it appears to be 3 burst sprays during each tumble in any direction on the heavy duty cycle with TurboWash enabled. Each burst spray seems to get weaker signifying that the solution in the outer drum is infact being transferred up into the load and being tumbled around, the process repeats through the entire duration of the long wash portion.
Outside of the Heavy Duty cycle, LG utilizes the recirculation spray all the time while tumbling, the implementation here is exactly what they market it to be...speeding up the wash cycle by ensuring the load is fully saturated at all times with the solution albeit at decreased mechanical action due to the load being more slippery. LG clearly knows of this as the functionality of Turbowash vastly changes on Heavy Duty cycles and mimics similarly to what Electrolux and Whirlpool do with the recirculation spray in all their cycles.
It's worth mentioning that when you compare an LG Non-Turbowash front loader with a LG Turbowash front loader, one of the major differences you can tell is how fast the laundry gets saturated. ALL LG front loaders fill through the outer tub. The fill portion on LG Non-Turbowash front loaders appears that it's meant to gradually and slowly saturate the load until it hits proper saturation levels through fill bursts. IMO it takes ridiculously long and takes up a good chunk of time in the cycle. LG Turbowash front loaders fill through the drum and saturate with the recirculation pump which cuts down on time tremendously. Other players in the industry seem to have always filled through the drum saturating laundry almost immediately. I much prefer this way and what LG TurboWash models do.
Keep in mind that neither LG nor Samsung market this feature to aid cleaning but to reduce cycle times.
Electrolux and Whirlpool actually say nothing about but it is implemented in a way to aid cleaning performance.
I'm actually very much intrigued by these newer Whirlpool front loaders. They look much better than the previous model, however the previous model also was plagued with computer board issues which I have a feeling will transfer over to the newer ones given Whirlpools track record with computers...
