Hello Pete, Ordered your truckmount yet?
I sussed the cfr filters. Ive got two hydramaster stainless steel dry filters and have ordered two 50 micron hollander weave 'socks' to be made up that will slip over the top of them. These will neatly fit in either side of the ninja 'clean' tank. (almost twice the filter area of the cfr)
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Hot water is only really necessary to speed up drying times and that's all. Pressure is used to 'shear' the dirt off of the fibres thereby suspending the dirt in the water, heat just isn't required for this.
Heat is required if you want to 'emulsify' the soil with a detergent, turning the water and the soil into one, if you like. If you do that in the cfr system you'll end up spraying greasy water back onto the carpet.
Incidentaly, if the water is being recycled at a high flow rate then why use an inline heater that is pressure sensitive and will require new componentry every once in a while? Surely a 3kw heater element makes more sense, because even with hot water from the tap at 500psi the carpet is dry in minutes rather than hours and it's a fit and forget item.
I swear the forward motion wand is the one to go for. On large commercial area's it's just a matter of getting the wand into your hip or groin area and just walking a lane with no stooping at all.
Hope this helps.
Alan