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I’ve got an older wash world high velocity, same as laser 4000. My step one soap sprays very smooth out of the tips. But my step two and wax doesn’t. It spits and sputters some and doesn’t have a smooth spray. My pump is at 150 psi and I think my air is at 60 psi. Can’t figure out why I get a...

When I did my remodel I went with the Dixmor 2002 timers. I bought the 12v dc beepers for them. They are mounted in my coin box. They’re not very loud. I get a few complaints from people not being able to hear them. Especially if you’re washing with the high pressure spray when it starts...

Does anyone rebuild their Dema solenoids? I have several used Dema 414-p solenoids that I kept from my car wash rebuild, because I replaced all of these with new ones. I’ve never rebuilt one of these. I’ve always just replaced it with a new one when it went bad. Just wondered if they hold up...

I’m curious why solenoid valves are directional, in and out. I’ve noticed that fluid will flow either direction through a solenoid. I’ve read that if you reversed them, it will also act as a check valve. Will they not last as long but using them as their own check valve?

Would 18 gauge wire be okay to to use to power a 120v coil on the motor relay? I’ve always used 16 gauge before to wire across the isolating relays to the 120v starter coil, but I wouldn’t think the coil would hardly pull any amps at all! I’ve always been curious how many amps a coil does pull...

I’m replacing all my rotary switches and wire connections. Anyone ever use this terminal strip disconnect on the wires for the rotary switch to the 18/15 control wire for the quick disconnect? These have the screw on wire connection. No crimping. My old wiring has the molex 15 pin crimp...

Is the Idx multiplexer as reliable as mechanical relays? I’ve never used them but I’m rebuilding my low pressure systems and they all use mechanical relays to the motor contactor to isolate the bays. I think I’ve only changed out one or two relays in 27 years, or at least that’s all I can...

In a couple weeks I’m going to go in and do a renovation of all my 6 bay self serve equipment. I’m gonna have to shut down for a few weeks or longer, but it needs to be done. It’s about to wear me out trying to keep everything running. We built the car wash 27 years ago. I’m going to rebuild all...

I have a Washworld high velocity. Can’t you replace the Lex air valves with 24 V high-pressure solenoid’s? I asked wash world about this and they really discouraged it. They said it would be a lot of trouble, seems to me like it would be pretty simple. Couldn’t you just use the input to the Mac...

How often do you guys backwash your charcoal-chlorine filter bottle? I just replaced mine after 20 years. It was leaking. I can’t remember how often I had it set for. The new one recommended every seven days, but I thought I did mine more often than that. I’ve already disposed of the old one so...

In the 21 years that I’ve had my WW high velocity-Laser, I have a laser computer in mine, I’ve learned most problems can be traced down to just a handful of things. Although, sometimes it can be hard to figure out which one of these things is the problem. Most of your problems will be outside...

Hi. I’m a new-old forum guy. I use to be on this forum many years ago, back in the early to mid-2000s. I think it’s the same forum. I actually met the guy that started this forum at a car wash convention. I can’t remember his name now. I built a seven bay self serve in 97 and added a touchless...