Fleck's new 6700XTR valve is an advanced version of the 6600ET. The 6700XTR offers the same great performance as the 6600 and uses the same valve body platform, but offers the added features of Fleck's new advanced XTR electronics. Features include:
- Fully adjustable downflow or upflow regeneration cycle
- Backwash capacity on tanks up to 12” diameter for softeners and 10” for filters
- Diagnostics
- Auxiliary relay output