I was about 99% sure that's what you were working on, but I actually hadn't seen this style of STP sump before.It’s down in the sumps for the STPs on a gas station. Got them all piped in yesterday and started pulling wire today. And no, there’s no real comfortable way to get to them. Some are better than others, just depending on how the fuel lines land. Capped 90s are a lifesaver tho
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