02-05-2021

Eco 18 Installation Manual

Find Instruction Manuals for all Waterpik shower heads models: EcoFow, TwinTurbo, EasySelect, Flexneck, and more. EcoSmart 18 kW Self-Modulating 3.5 GPM Electric Tankless Water Heater is rated 4.1 out of 5 by 724. Rated 5 out of 5 by Skip from Tankless is the way to go with a large family After having success at my previous home with a different brand of tankless hot water heater, there is no way I would ever go back to a traditional tank for a large family.

4-PLUMBINGINSTALLATION
  1. INSTALLATION INSTRUCTIONS & HOME OWNERS MANUAL ECO 8 ECO 11 ECO 18 ECO 24 ECO 27 ECO 36 IMPORTANT SAFETY INFORMATION When installing or using any high voltage electrical appliance, basic safety precautions should always be followed.
  2. If you're looking for a tankless, energy-efficient water heater, the Ecosmart ECO 27 is a top choice. It's well regarded by experts and owners, and has a long warranty, albeit with some catches. The ECO 27's got excellent energy efficiency, too, but performance can vary greatly depending on your climate.
Please follow all plumbing instructions carefully. We recommend that this product be installed by a licensed and

Ecosmart ECO 18 Pdf User Manuals. View online or download Ecosmart ECO 18 Owner's Manual & Installation Manual.

qualified plumber in accordance with all applicable national, state, provincial, and local plumbing codes.
STEP 1: Connect the HOT WATER line to the water heater OUTLET located on the left side of the heater when
facing unit. Connect the COLD WATER line to the water heater marked INLET on the right side when facing unit.
STEP 2: After tightening both fittings at the water heater, open several hot water faucets and allow water to run

Eco 18 Installation Instructions

though the water heater for at least 2 to 3 minutes. This process purges all the air from the water lines and
MUST be performed prior to turning on the power at the unit. FAILURE TO FOLLOW THIS STEP CAN CAUSE
PERMANENT DAMAGE TO THE HEATING ELEMENTS. If any maintenance is performed on the water heater or the
Manual
home’s plumbing system that may introduce air into the plumbing pipes, it is important to turn the power off to
the water heater and purge the air out of the lines before allowing the unit to power up.
STEP 3: Carefully inspect all connections, unions, and the pressure relief valve (if installed) for leaks.
1.Do not solder any pipes with unit connected to pipes – heat from soldering may damage the flow
2.This automatic tankless water heater is equipped with both computer-controlled and electro-
mechanical auto resetting thermostat switches for high-limited temperature protection. Since this
product does not use a storage tank, the use of a temperature pressure relief valve (T&P) is not required
for most installations. UL Standard 499 does NOT require that a pressure relief valve be used. However,
Installation
a T&P valve may be required to meet installation codes in your area. If one is required, install the
pressure relief valve in accordance with local codes and ensure that it operates correctly and that air is
purged from the valve prior to installing the water heater. When connecting to Flex or High
Temperature CPVC pipe, we recommend that a T&P valve be used for added safety.
Please note: Installations in the Commonwealth of Massachusetts and State of Kentucky require a
pressure relief valve. Please check your local installation codes for any special requirements.
3.The maximum operating water pressure is 150 PSI. If the water pressure is higher, a pressure reducing
Installation
valve must be installed on the main incoming water supply line prior to installing the electric tankless
4.Flexible water heater hoses are recommended to be used with your water heater as part of the
installation. When connecting the inlet water pipe to the unit, make sure to use a wrench to hold the
unit’s connection, and another wrench to tighten, so that the flow sensor on the unit will not be
loosened or damaged. Serious internal damage to the water heater can occur if the inlet or outlet
connections are over tightened or if solder connections were made.
5.We recommend that a manual shut-off valve (ball valve) is installed on the inlet and outlet of the water

Eco 18 Installation Manual Free

heater so that there is a convenient shut-off point available in the event that future maintenance or
servicing is required. It is extremely important to flush the lines to eliminate all plumbing paste or
residue in the lines caused by any welding or soldering before connecting pipes to the water heater.
We recommend that all the water pipes or hoses within 3 feet of the inlet and outlet connections be rated for

Eco 18 Installation Manual Instructions

high temperature applications with a 150°F minimum.