Review Bosch 520 PN LP Therm Tankless Water Heater, Propane

Bosch 520 PN LP Therm Tankless Water Heater, Propane

This Bosch Therm 520 PN model offer Piezo push-button ignition and utilizes a modulating gas valve to ensure a constant temperature at varying flow rates. The 520 PN is the perfect tank less solution for smaller families and households that only use no more than two hot water applications at a time. While it provides endless hot water, it saves money because it only heats water when you need hot water.

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Bosch 520 PN LP Therm Tankless Water Heater, Propane Features

• 117,000 max input (BTU)
• Piezo ignition system requires no electrical connection
• 78%+ thermal efficiency
• 5.3 gallons per minute capacity at 35F degree rise
• Vents with galvanized B vent - natural draft

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Bosch 520 PN LP Therm Tankless Water Heater, Propane

Customers say's :
Identical to Bosch Aquastar 125 on the inside

When my old Aquastar froze during a nasty cold spell I found out that most new models were going to require electricity and plumbing changes, expensive changes for expensive heaters. I called Bosch and they told me this unit would bolt in and perform just like my old one. When I got the new one I laid the two units side by side without the covers on. Except for the Controls they were identical. That's a good thing, all the Aquastar owners I've known are pleased with their product and I'm the first one to replace a Bosch water heater. Highly recommended for what it's designed for; a small house with one demand at a time.

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Installing the Tankless water heater
Before I received the water heater from Home Perfect, I reviewed YouTube videos of the product. They were very helpful. Upon receipt of the unit, I inspected the box and found no damage. I installed the unit myself. I am a DIYer and prefer to do it myself so I can learn about the usage and care of the product. I read previous reviews on this product on other sites all of which were not so favorable on this model. I like the technology of the NO ELECTRICITY used as I am on Solar Panels, wind mill, and propane stand-by generator. The installer should pay special attention to the service size of the fuel line and be mindful of the amount of fuel other appliances use in the home i.e (range, clothes dryer, propane fireplace, and water heater) all must have a service regulator at the propane or natural gas entry point to accommodate all of the appliances at the same time. I found that other complaints were with the use of the Delta Cartriged Shower Faucets. I have no problem with this. The...

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What a huge waste of water and energy, I'd give it negative stars if I could, it's that bad...
We initially purchased this to replace our standard 40 gallon tank water heater and to save on water and gas, big mistake!
1st, Extra expense, it requires larger diameter gas plumbing pipes, we had 1/2" running from our propane tank, but had to upgrade to 3/4", so there was that expense.
2nd, Settings, it is quite finicky as to the settings and how it gets configured. We had a professional adjust it 3 times and it is still not a great mix, but it way better than it was. Also, the knobs on the front and cheap and fall off, this is not well built.
3rd, Showers, with our old tank heater I could set the shower head to drip while I shaved my legs to conserve both water and propane, but with this tankless system, you CANNOT touch the dial at all, nor slow the flow of water, which causes the propane to kick off, which causes the well water to not be heated, and you end up getting a nice freezing gift from the bowels of the earth! You then need to stand off to the side while...

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