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Commercial Water Heaters

Takagi brand tankless gas water heaters
water heater flex connectors - water heater gas flexes - pressure balance valves
pressure balance faucets - circulation pumps by Grundfos - pre-rinse faucets by Fisher
stainless steel pedestal fountains from Stern Williams


The manufacturer states that this unit can only be purchased and installed by special factory-trained, skilled technicians who have taken an extensive learning course in the installation of this product. We can only sell this tankless water heater to qualified installers. There is no warranty if this specific model is not installed by a licensed, qualified contractor.

The Takagi models listed below don't have this restriction by the manufacturer:
to Takagi T-K1S (TK1S) - to Takagi T-KJr (TKJr) - to Takagi T-K3 (TK3) - to Takagi T-H1 (TH1)

Takagi Mobius T-M1 (TM1) Tankless Water Heater
Tankless Mobius TM1 by Takagi This tankless gas water heater features:
  • Connect up to 20 units together
  • Automatic water valves
  • Saves space
  • Electronic ignition, no standing pilot light
  • Reduce utility costs by more than 45%
  • Replaces inefficient boilers
  • Computer safety devices
  • Indoor & outdoor models
  • Natural gas or propane

Model # Description Select Item(s)
T-M1NG Tankless Water Heater - Natural Gas, 235,000 BTU's
T-M1LP Tankless Water Heater - Propane, 235,000 BTU's

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to Takagi tankless water heater comparison chart


Accessories for Takagi T-M1

Model # Description Select Item(s)
TM-RE10 Temperature Remote Controller
TM-RE20 Main Multi-System Controller
TK-TV01 Wall Ventilation Terminator
TK-BF01 replaces (TK-TV03) Back Flow Prevention Kit
TM-TV06 Outside Vent Kit for T-M1

The standard temperature setting is 122°F and is only adjustable
with purchase of the TK-RE02 temperature remote controller.

We cannot show pricing on the web for these items.
To request a price quote, select the items you are interested in by clicking the box in the "Select Item(s)" column next to the product.
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Pressure Relief Valves

A pressure relief valve is required for all tankless water heaters. In some areas, a temperature and pressure relief valve is required. Check your local plumbing code for more information.
Pressure Relief Valve - Brass - 3/4" - 150 PSI
Temperature and Pressure Relief Valve - up to 200,000 BTU

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Click the button below to add items to your quote list.

to other relief valves


"The Isolator"
Tankless Water Heater Isolation Valves

Tankless water heater isolation valves

Complete inlet/outlet valve system that provides everything you need for a secure installation including full port testing and flushing of the system with easy to install union connections.

Description Select Item(s)
Isolation Valve - Set (Hot & Cold) 3/4" IPS Union x 3/4" IPS
Isolation Valve - Set (Hot & Cold) 3/4" IPS Union x 3/4" Sweat
Pressure Relief Valve - Brass - 3/4" - 150 PSI
For the isolation valves shown above

To request a price quote, select the items you are interested in by clicking the box in the "Select Item(s)" column next to the product.
Click the button below to add items to your quote list.


Ultraflow High BTU Stainless Steel Gas Connectors
Ultraflow gas connectors
These gas connectors feature:
  • Pre-assembled
  • Designed for applications with a significant BTU requirement
  • Can supply up to 1.5 million BTU (NG) or 2.4 million (LP), depending on length
  • Increases productivity by eliminating the need for pipe nipples, 90's and elbows
  • Common applications: tankless water heaters, commercial water heaters, furnaces, manufactured homes, boilers, rooftop HVAC units, and gas meters
Description Select Item
Stainless Gasflex - 1"od (3/4"id) x 24" - with adapter to 3/4"fip x 3/4"mip
Gas ball valve 3/4"


Takagi T-M1 Specifications
Dimensions (H x W x D) 24" x 18" x 9"
Net Weight 85 lbs.
Power input Natural Gas 25,000 - 235,000
Propane 25,000 - 225,000
Thermal Efficiency Natural Gas 82%
Propane 84%
First Hour Rating 300 gallons per hour
Gas Connection 3/4" Male NPT
Water Connection 3/4" Male NPT
Water Pressure Min: 15 PSI, Max: 150 PSI
Natural Gas Inlet Pressure Min: 5.0" w.c. Max: 10.5" w.c.
Propane Gas Inlet Pressure Min: 11" w.c. Max: 14" w.c.
Minimum Flow to Activate Burners 3/4 GPM
Electric Supply 120 V, 0.8 A
Output Temperature (Adjustable) 95°F - 176°F
Flow Rate (Maximum) 9.6 GPM

The Takagi Mobius must be installed by a certified plumber. Warranty void otherwise.


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"Never leave that till tomorrow which you can do today." - Benjamin Franklin

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