As far as condensers go, a unit called a condenser outdoor unit can provide a safe method to keep the water flowing properly from your water heater. In fact, this is one type of unit that is often overlooked, especially with an older water heater that has been found to have an issue and be in need of repairs. However, this is not always the case. In fact, just installing fuses over a copper line is not usually sufficient to restore the right safety device, so it is possible that further testing and diagnostics of both the copper line and the condenser/water heater unit will also be necessary to determine why someone originally installed copper pipes on their line.
If you have a gas water heater or an electric heat pump, you can also suffer from a situation where the copper pipes are burned or corroded by the water in your home. This is because these types of units are more susceptible to corrosion when used for cold climates, so they need extra protection from water buildup. However, with these units, you need to ensure that they have been installed properly. The problem with a unit like this is that the pipes and tubing used are usually not very thick. While this can be fine in areas like southern New England where water temperatures can fluctuate by a few degrees from season to season, in other areas it can be dangerous to make the line thinner or to have it corroded. For this reason, you should consider having your entire system tested so that you know that all of your equipment is working properly and that there is no potential threat to yourself or others in the home or in your business.
If you are not sure which type of unit is best for your particular water heater, then you may want to have a professional come out and test it out. Even if you have an experienced installer doing the work, they can find issues with your unit that might not have even been apparent to you. It is important to take precautions and not leave anyone home alone with the device until you have a professional come out to look at it and make sure it is functioning correctly. This will ensure that no harm comes to anyone else while you are not at home.