ET-H4000 Laguna Bay hot tub replacment Heater and Dr Wellness Energy Saver 4.0kw 240V ET-H4000 old # same as ETH3000ET-H4000Laguna bay hot tub Heater Energy Saver 4.0kw 240V ET-H4000 old # same as ETH3000$486.00 $433.70Be the first to review this productAdd to cart Add to wishlist