i had a leak on the pump and had to move the spa pack when i fixed the leak and put everything back i now get a buzzing noise every time the heater comes on what could it be and how do i fix it?
i have a leisure bay pro shield 1 1/2 hp super airjet
model# G1010CLSSOG-CA

Probably the heater relay, simply replace it.

The sound *may* go away on it's own after several days. If not, locate and replace the heater relay.