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Agree, whatever junk is in there re settled. I can't blow it back into the flow valve (which was clear) it has to be inside the large copper boiler tubes, or the little quarter inch transfer bridge in between.

It went from zero up top, to equalized after I blasted air through it and dislodged whatever **** was in there, maintained that for 20 mins, then crept back down to zero. I am still waiting on a callback however. Will get that info.

Yup, the blue monster tape ended up being my saving grace. I don't think any I redid with it leaked.

Well, issue discovered. There is a blockage of some kind in the boiler. Huge pressure differential from top gauge to bottom gauge. Eventually will zero on top gauge. I have pressurized coolant to the boiler inlet, inside of it at the flow meter, and zero out the other side. Blew it out...

No, but the high point in the system is my pressure valve, so I power filled to there and bled air out of it and the separator.

I first filled/recycled into a bucket on the manifolds. In/out with the glycol. I used my transfer pump to keep bleeding air. I then moved my return hose to one of the upper spigots by the boiler pump, and did the same. I am not gravity feeding it. I have an external pump/basin. noted on the...

Today's dilemma, boiler does nothing with power hooked up except light a green LED buried way under the circuit board. No led lights on the face plate. And boiler pump circuit appears stagnant or experiencing cavitation. Can't see fluid moving in the strainer. Verified both pumps are...

Appreciate it! My little flow meters seem to fluctuate quite a bit, I hope I get all the air out of the system once I get the boiler wired up tomorrow. Was surprised at the junk breaker, but then again I'm not. I think I replaced every single one within three years of building our house.

Got it mounted. Pulled the wire for the boiler, and have a bad breaker out of the box. Need to get a new one tomorrow. I do have the 110v and pump controller all done. Confirmed both pumps are running when plugged in. Struggled with filling and purging to the point the pumps would pump. I...

It was always 10+ overnight. And would find one leaking after the next with soapy water. My success greatly increased with blue monster Teflon tape, purchased after failing again and again. The white tape and /or ptfe white permatex paste was giving me fits. Never had issues with it in the...

Small victory tonight. Holding pressure, and all wired up (besides the wall plug) I must have done every npt joint at least twice. Some 3 times. Wiring was the easy part, besides the limited real-estate inside of the relay box. Thanks everyone for the advice and help everyone. Now to...

That part I did gather. The on boiler thermostat is where you select a base temp, but it only activates when the pumps, pump water, via the flow sensor. It doesn't "touch" the pumps or thermostat, or pump controller. Man, these things are more complicated than I thought lol.

THANK YOU SO MUCH!!!! where did you find that?? It's not in any of my instructions, and I googled like mad yesterday!

Can I ask for some wiring clarification help please for this Taco sr501-4 relay. I'm gathering from the instructions that I would have to use the alternative wiring diagram since I have 2 pumps. That correct so far? I need to add a resistor between the W and 24 vac terminals? The relay...

Del

Yeah I have those male fittings on 4 other locations for fill/recirc. Both on the manifolds and by the upper motor. Thanks for the explanation.

I have a 40x60 metal building. When its windy, one of the metal panels buzzes in an annoying loud buzz. Can't wait to get it spray foamed!

After solder, I am bench pressure checking my panel before hanging it, or permanently attaching to the board. Lucky I did! My solders had ZERO issues. But had one of my swivel joints, the plastic strainer, and two npt threaded Teflon pasted joints leaking. Was really surprised on the Teflon...

Anyone have an opinion on If flex water heater supply hoses would be a bad idea when it comes to mating the panel to manifolds? Would sure uncomplicated the last few solder connections...thx

Yes the orange box is a thermostat. Didn't even know what an outdoor reset was until I just Googled it. Interesting