In article ,
Karl Townsend wrote:
Electronic Ignitor
SEM AB AMAL SWEDEN
Type TH3/320-04
Art. No. 826 020 61
Prim. 230 VAC 50-60Hz 70 VA
Sec. 12kV ?4 mA RMS (the ? looks most like a 3 maybe)
Continuous operation

Any chance of finding or making something that will work? I just got
sticker shock, new pressure washers are over $2K.

Karl

Smells like you are looking at an oil-furnace type arc ignitor (perhaps
smaller) if it involves a transformer and 12 kilovolts. You might buy
the local furnace guy coffee and a doughnut (well, perhaps an apple
turnover, being you) and see if he can figure something that will work.

--
Cats, coffee, chocolate...vices to live by