Rheem Tankless Water Heater User Manual - Manualsee

Rheem Tankless Water Heater User Manual

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Rheem Tankless Water Heater User Manualrheem tankless water heater-PRODUCT

Rheem Tankless Water Heater User Manual

FAQS

What’s in the box

Fittings, Aerators

How many amps

Paperwork says it requires four 40 amp breakers or two DP 40 amp breakers. Max draw of 75 amps.

Rheem rtex-18 be big enough to heat water in my shop to wash my hands and perhaps take a shower in kansas city, mo?

Yes you could even go with the unit rtex-15 one smaller if that’s it. 

Can this be used in a recirculating system?

No

how many breakers and what amp.

The RTEX-18 (240 Volt) requires (2) 40 amp breakers and 8 AWG wire.

how many gallons per minute does the rtex 28 supply?

Hot water is on demand. It will heat as much water as you can force through it. Endless supply.

Why does the title say this is a furnace filter? filtrete 16x25x4 ac furnace air filter, mpr 1550, fits honeywell and lennox devices, healthy living?

most AC heat pumps or A/C units still use the furnace blower to push the air through the house. and this draws recirc air from inside the house through that 1 filter that leads to the furnace.

240 v 2 heaters chambers shoulbe enouf for 1400sq feet toenhome

The number of bathrooms in your home determines the size heater you will need. This is perfect for my 1.5 bathroom house. We have never had a problem.

dose this tankless have to vented?

Gas Tankless need vents, electric tankless do not

Is this unit hard wired

The unit is hard wired. You will need a separate 220V line and breaker for each coil. That is, a single coil system requires one 220 volt line and breaker, a two coil requires two lines and breakers, etc.

How many amps are being pulled during use?

to determine amps you divide watts by voltage. i.e. 18kw on a 240v feed is 18000 ÷ 240 = 75 amps…. 13kw on 110v feed = 118 amps, ect

What is the difference between a tankless water heater and a traditional tank water heater?

A tankless water heater is a device that heats water as it is needed. It does not store any water, so it is not necessary to wait for the entire tank to heat up before using hot water. Tankless water heaters are more efficient and more environmentally friendly than traditional storage tank water heaters.

How much does a tankless water heater cost?

The cost of a tankless water heater depends on the size of the unit, the brand of the unit, and whether or not you choose to install it yoursel

Where should I install my tankless water heater?

You can install your tankless water heater in any location that has access to cold-water supply lines and an electrical outlet. You will need about 3 feet of space around your unit for installation.

How do I install my own tankless water heater?

Installing a tankless water heater yourself can be done if you have basic plumbing skills and some mechanical knowledge. The process is similar to installing a traditional storage-tank hot-water heater. You will need to shut off your home’s main gas supply line while you are installing your new unit.

Can it continue to supply hot water in a small house with 1 kitchen, 1 bathroom, 1 cloth washer?

It depends on where you live. The warmer your water is coming into your home, the more hot water you can produce. The colder water that comes in, the less hot water you can make.

How does it attach to wall?

There are 4 key hole slots inside. Cover comes off then you attach using screws. Mine went in the basement and I used masonry screws to affix to block wall.

Does it need mounting bracket?

No, it came with everything that was needed to mount it on the wall. We did have to purchase the heavy duty wire necessary to connect it to our electrical system. By the way, we are extremely pleased with this tankless water heater!

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