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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
	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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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.

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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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"The Isolator"
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

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Ultraflow™ High BTU Stainless Steel 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.