The K Lite tank features very easy top fill. Refill the tank according to below steps(either standard version or TPD version):
Coil installation of K Lite Kit is as easy as well.
1) Invert the tank, unscrew to disengage the base hardware;
2) Unscrew to remove the used coil and replace with a new one; (For TPD version, push and unscrew to remove the used coil and also push and screw to install a new one);
3) Screw into relocate the base hardware; (For TPD version, push down and screw in to relocate the base hardware).