I think they're very different. As I understand it, transference isn't about "love" like limerence is; transference is about attributing or transferring feelings one has for a significant other onto the therapist whom one really doesn't "know" and has no outside relationship with. Limerence is the study of "love" and while we "love" our parents when we're children because they are all we have to care for us so the source of all good things, our therapist's listening to us and paying attention to us an hour a week or whatever is not quite that extreme so doesn't naturally cause such an extreme behavior, so some of the limerence is transference but not vice versa. And transference is about all feelings, not just love. You have other feelings inside you there :-)