Series 2 Tankless Water Heaters
by Eemax

Proudly made in the USA

A leader in the tankless water heating industry, Eemax offers a wide variety of heating solutions - including these Series Two tankless heaters that are ideal for a variety residential and light commercial applications. Designed for applications where 4 gallons per minute or less is used, they are perfect for boosting temperatures at specific points of use like showers, residential or commercial dishwashers, multi lavatory stations in commercial restrooms, photo processing, and more. With numerous models to choose from, we're sure you'll find the right Eemax Series 2 for your needs right here.

Eemax Series Two tankless water heater
All of the heaters on this page feature:
  • Ideal for point-of-use and single outlet applications
  • Super energy efficient water heater provides hot water whenever you need it without heating up a lot of extra water
  • Flow switch activates water heater only on demand
  • Adjustable, accurate temperature setting +/-1°F
  • High temperature limit switch helps to protect against element burnout
  • Glass reinforced heating chambers in a unique flow path ensure optimum heat transfer and extended element life
  • Easy installation and maintenance - all major components are field replaceable
  • Single phase - standard temperature range 100°F to 140°F (booster to 180°F)
  • Can be installed on hot or cold water feed with 3/4" NPT male inlet/outlet
  • Two nickel-chrome replaceable heating elements
  • Operating pressures: min - 40 PSI, max - 150 PSI
  • View Series Two Tankless Water Heater Dimensions

'Parallel' Models With Thermostatic Control

Dual module water heater - highest Series Two maximum flow rate
Model # Temp Rise °F Turn On
GPM
Max Flow
GPM
Volts kW Total
Amps
Wire
Size
Price & Quantity
1.5
gpm
2.0
gpm
2.5
gpm
3.0
gpm
4.0
gpm
EX144T2 68° 51° 41° 34° 26° 1.5 4.0 240 15 64 8 AWG $785.88
EX160T2 73° 55° 44° 36° 27° 1.5 4.0 277 16 58 10 AWG $716.40
EX1608T2 76° 57° 45° 38° 28° 1.5 4.0 208 16.6 80 8 AWG $719.42
EX190T2 87° 65° 52° 43° 32° 1.5 4.0 240 19 80 8 AWG $787.69
EX200T2 91° 68° 55° 46° 34° 1.5 4.0 277 20 72 8 AWG $717.36

When ordering, please be sure that the temperature rise is adequate for your needs.

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'Staged' Models With Thermostatic Control

Activated in stages, based on your demand - turns on with very low flow rate, ideal for handwashing!
Model # Temp Rise °F Turn On
GPM
Max Flow
GPM
Volts kW Total
Amps
Wire
Size
Price & Quantity
1.5
gpm
2.0
gpm
2.5
gpm
3.0
gpm
EX144TC 68° 51° 41° 34° 0.7 3.0 240 15 64 8 AWG $631.90
EX160TC 73° 55° 44° 36° 0.7 3.0 277 16 58 10 AWG $641.30
EX1608TC 76° 57° 45° 38° 0.7 3.0 208 16.6 80 8 AWG $644.09
EX190TC 87° 65° 52° 43° 0.7 3.0 240 19 80 8 AWG $633.05
EX200TC 91° 68° 55° 46° 0.7 3.0 277 20 72 8 AWG $645.20

When ordering, please be sure that the temperature rise is adequate for your needs.

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180° Sanitation Booster 'Parallel' Models With Two Thermostats

For preheated water feed, supplies water up to 180°F for commercial boosting & sanitizing applications
Unit must have 2 independent electrical circuits using correctly rated wire and 2 circuit breakers
Model # Temp Rise °F Turn On
GPM
Max Flow
GPM
Volts kW Total
Amps
Wire
Size
Price & Quantity
1.5
gpm
2.0
gpm
2.5
gpm
3.0
gpm
4.0
gpm
EX144T2S 68° 51° 41° 34° 26° 1.5 4.0 240 15 64(2x32) 8 AWG $750.86
EX160T2S 73° 55° 44° 36° 27° 1.5 4.0 277 16 58(2x29) 10 AWG $752.33
EX190T2S 87° 65° 52° 43° 32° 1.5 4.0 240 19 80(2x40) 8 AWG $749.33
EX200T2S 91° 68° 55° 46° 34° 1.5 4.0 277 20 72(2x36) 8 AWG $752.96

When ordering, please be sure that the temperature rise is adequate for your needs.

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Looking for replacement elements for Series Two tankless water heaters? We've got them!

Flexible Corrugated Hot Water Heater Connectors

Ultraflow water connector
  • Specifically designed for use with 3/4" water heaters inlet/outlet
  • Stainless steel water ways inside makes it resistant to rust and corrosion
  • Corrugated design helps prevent against kinks and crimps and makes it extremely flexible
  • Maintains optimum flow with no restrictions and 100% tested against leaking
  • Great for tankless water heaters and more
  • Chrome plated solid brass nuts makes tightening a breeze
  • UPC and ASME A112.18.6 compliant
  • IAPMO listed
  • We offer more flexible water supply line sizes & connections here

Material Inlet/Outlet Length Price & Quantity
Stainless Steel 3/4" FIP x 3/4" FIP 18" $7.44
3/4" FIP x 3/4" FIP 24" $8.26
Copper / Stainless Steel 3/4" FIP x 3/4" Nom Sweat 18" $7.60
3/4" FIP x 3/4" Nom Sweat 24" $8.33

Order 10 or more of the same item for additional savings!
Pricing discounts will show up in your shopping cart.

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Water Heater Scale Inhibitor System

image of complete scale inhibitor system
This scale inhibitor system features:
  • Highly effective in treating scale, corrosion and iron build-up for up to 6 months
  • Food-grade hexametaphosphate crystals dissolve slowly in water to prevent lime, scale and rust build-up
  • Forms a protective coating on all metal surfaces, safeguarding against acidity/alkalinity, hardness, chloride and other factors which effect the corrosion of water equipment and pipes
  • Maintains efficiently and extends life of system
  • Up to 5gpm
  • Recommended for use with water heaters, ice machines, vending machines, food service equipment, air conditioning and many other types of water processing applications
  • If using on a water heater, it needs to be installed on cold water line entering the water heater
  • Dimensions: 2 7/8" x 9 5/8"
  • Recommended time to change/replace this inhibitor cartridge is 4-6 months
  • It's a good idea to purchase a replacement cartridge to have on hand when needed!
  • For more information, go to our Scale Inhibitor Page

Description Price & Quantity
Scale Inhibitor System:
includes housing, cartridge and mounting bracket
$86.23
Replacement Inhibitor Cartridge
Save on shipping by ordering replacement cartridge now!
$57.23
Mounting Bracket:
included with Scale Inhibitor System
$7.28

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FloodStop Systems for Water Heaters

floodstop for water heater
Features:
  • Easily prevent water damage from a leaking water heater with this unique device
  • The unit automatically shuts off water supply to the water heater and sounds an alarm leaving all other household fixtures and appliances operational
  • Provides additional protection by requiring AA batteries to be inserted to protect in case of a power outage (batteries not included)
  • Controller will operate normally without batetries installed but will continue to beep until they are inserted
  • Can easily be installed in fifteen muinutes
  • 3/4" Pipe Threaded - Full-Port Motorized Ball Valve (Brass) - for potable water
  • Works with any 3/4" MIPT supply line - rated 0-180 psi
FloodStop (FS 3/4-NPT-V4) Components:
  • Motorized Full-Port Ball Valve (3/4 inch NPT pipe threaded)
  • New Style Control Unit (with Battery Backup 4 X AA Size)
  • Water/Leak Sensor (1-1/4" X 7-1/2")
  • AC Power Adaptor (or use 4 X AA Batteries as Primary Power Source)
  • Output Contact Wires (2)

Model # Description Price & Quantity
FS 3/4-NPT-V4 Water Heater FloodStop System
3/4" pipe threads works with any 3/4" MIPT supply line
$149.97
FS 3/4-C-V4 Water Heater FloodStop System
3/4" compression works with any 3/4" copper applications
$166.50

Make sure to follow all of the manufacturer's instructions and directions by performing the proper maintenance and inspections
to ensure that you are fully protected from flooding - this is ever-so-important with (man-made) safety devices as they will eventually fail.

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Related Items & Accessories



Frequently Asked Questions

Q. "How does the staged turn on work?"
A. Staged turn on models only use the heating modules needed to produce the desired output temperature.

Q. "Why is the max flow lower for the staged turn on?"
A. The heating modules are set up differently to accommodate different flow rates.

Q. "What's the difference between the parallel turn on and the staged turn on?"
A. The parallel turn on will give you a higher maximum flow rate, and it needs a higher flow rate to turn on than the staged turn on. The staged turn on will turn on with a lower flow rate, and it handles a lower maximum flow rate than the parallel turn on.

Q. "Does the kW listed under each model represent the amount of energy they use if all the heating elements are on?"
A. Yes, the specification for kilowatt usage for all models show the maximum wattage with all heating elements on.

Q. "Are all Eemax tankless water heaters designed to be hardwired?"
A. Yes, every tankless water heater by Eemax is supposed to be hardwired when it's installed.

Q. "Can I install these tankless water heaters in my attic?"
A. Without seeing all of your plumbing piping, etc. it is difficult for us to answer with a straight "yes" or "no." One must be sure that a possible water siphoning condition can not be created as these fantastic electric tankless water heaters can not have air in the lines. Water siphoning out of any brand of electric tankless water heater might damage the heater or element when the element is on and there is no water (or not enough water) in the lines. Air should not be touching the elements.

Q. "The Eemax tankless water heaters info specify the 'temp. rise' based on the GPM flow; what do you mean by this?"
A. Temperature rise is the amount the heater raises the temperature of the incoming water, based on the flow rate shown of that water.


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