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I have some existing Halo H7T recessed cans that are not rated for contact with insulation, and I'd like to replace them with insulation contact rated ("IC") cans such as the Halo H7ICAT cans. My existing cans have a bracket that allows the socket to be adjusted to go high enough into the can...

Thanks all for your help. It turns out the issue was flux. I originally bought a "kit" containing some solder, some flux, and a flux brush, and the flux was obviously not very good. I ran out, went to the store to get some more, and the guy there said "don't use that junk..try this!". And...

It's been a while since I've sweated copper pipe, and I'm running into a new (for me, anyway) problem... I assembled the whole thing, cleaned and fluxed, and started sweating the joints. I noticed that the first joint on a fitting typically went very well, but the second one often didn't...

One of the issues with a tankless system is the so called "cold water sandwich." I'm intrigued by the idea at the end, which is to install a pump between the tankless and the tank so that the tank is filled by the tankless heater when the thermostat on the tank indicates that it needs to have...

Does anyone know if RedyTemp has released a pump for use with a tankless system (and for a house without a recirculation line)? How would such a system work? Where does the pump "push" the water when there is no tank into which to push it?