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Made me look.. Where do you see that the Mastercool hydraulic crimper has a "71500-8SRB"? Not in their catalog, manual, or parts list. The reduced hoses are reduced OD and the purple die just...

I don't know of any model of air-water heat pump that's rated for less than -20C. That's not saying they won't work if it gets colder than that, they simply switch over to an electric immersion...

I bought a 220v/50Hz Appion G5 twin a couple of weeks ago, really happy with it so far. Not sure what the difference is with the US model (mine has purge) but anyway.

What are you guys using for a...

Is the magnet on this flashlight very strong, will it hang well upside down?

I have a few Ryobi TEK4 tools, their multimeter, noise-cancelling headphones (work GREAT) and their Tek4 LED...

Got that bit. I see that the Tezom oil is even sold in gallon containers, are the cartridges refillable (without resorting to a syringe or whatever?)

"Debris catch tube protects the pump and...

There's one thing I just haven't understood about vacuum pump oil. Why is it always mineral oil? Wouldn't PAG/POE absorb lots more moisture? Or is it an inferior pump lubricant so it's not used?

Not sure what you're willing to pay for a set but Wera stainless steel allen wrenches are top-notch. I prefer using stainless bits and a miniratchet instead of allen wrenches but bits are VERY easy...

Your local welding supply shop (Airgas?) can probably help you with that. Western makes transfer hoses.

The MSDS for SUPERSEAL HVACR on their website lists "Incompatibilities & Conditions to Avoid: Reacts with water or moisture to form methanol."

Ermmmm. So, it works by producing a condition that is...

Here are 3 new videos showing the TR21 in operation.

http://www.youtube.com/watch?v=aqArRG8WkYY

I bought a Streamlight Twin-Task a couple of years ago, it is definitely good for my needs and it's both a BRIGHT regular flashlight and UV flashlight in one. VERY sturdy, and C-cell batteries last a...

dawgtchrr, did the sales rep have a manual for the new recovery unit? None available on the CPS website as far as I can tell... I was always taught to "RTFM".

haha The name "molecular...

http://www.cpsproducts.com/#/p-recovery-equipment-tr21/

Here is the recovery unit I was asking about. The description says reciprocating pistons so it´s not a vane compressor. But where is the...

It looks like all these Totaline units are made by Reftec, maybe you can ask them for details?

Hi, I just came across a new model of recovery unit and was wondering if anyone has heard anything about it. It´s made by CPS, model number TR21. They have even something they call a "molecular...

Hi, I just noticed that the Flir you mentioned has a 120 x 120 pixel resolution. That isn't very much at all, don't think you're going to see smaller leaks at all with that. The people making money...

Thanks for all your advice and links. I hadn't seen the J/B repair file before, just the parts catalog and that isn't all that helpful.

I just checked something, I stuck a small wooden dowel...

Hi, I have a J/B DV-85N-250 vacuum pump, a model that doesn't have a blank-off valve. I recently decided to pull a deep vacuum on my empty recovery cylinders, and just left the pump running for a...

Here are a couple of pictures, the first one shows blue/black connected to common before the thermal switch as well as beige/white connected as run.

http://yfrog.com/0yinternalnj

The second...

Hi, very new to this forum.

I am having trouble withe the wiring on a reftec/totaline recovery unit. The unit is a Totaline Totalvac II unit made by reftec, and appears to just be a rebranded...