Switchable ballast repair

raztuz

Active Member
Picked up an inoperative Hydrofarm 400W switchable ballast on Craig's List. My visual inspection reveals burnt/charred wiring on ballast transformer that I've concluded must be replaced (transformer). My question: can I purchase a ballast repair kit for a MH light and use that transformer for repair or must I purchase a 400W Switchable ballast repair kit? Thanx
 
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