It's a fuse, the old one blew, that got the old hot tub working again. Been up for a few months now and still working. If you need one of these and the price is reasonable, go for it.
Electric Replacement UBIF020N Made in Connecticut
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โก 20 Amp Single Circuit Breaker for Q120
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MIDI keyboard Axelvox KEY49j white
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TWTADE/AC 24V 10A Coil Electromagnetic Power Relay 8 Pins 2DPT 2NO+2NC With Indicator Light And Socket Base -YJ2N-LY
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Adjustable Regulator Generator PEMENOL Controller
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