Myson / Thermar Tankless Heaters

Parts for Myson and Thermar Tankless Water Heaters

When Searching for a part number, try using only the rightmost digits. For example, if searching for a Piezo Igniter, you will find several variations of the number: 10/11935, 10-11935, PMG-10/11935, etc. Just enter 11935 and you will quickly find the part you are looking for.

Link: Myson 325 and Thermar TL200 Parts Diagram - Click Here
Link: Myson Thermar Troubleshooting Guide - Click Here
Link: MYSON CF-DV 325 Water Heater Specifications - Click Here
 




Part Number Product Image Item Name Price
50/40010R Myson and Thermar Waterside Maintenance Kit

Myson and Thermar Waterside Maintenance Kit

This kit is used to rebuild the Thermostat and Diaphragm on Myson 325 & Thermar TL200 water heaters. A "tune-up kit " to resolve leaks...
$49.00

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50/40020R Myson 325 and Thermar TL200 Gas Side Maintenance Kit

Myson 325 and Thermar TL200 Gas Side Maintenance Kit

Myson 325 and Thermar TL200 Gas Maintenance Kit Save 20% (over buying the parts individually) on this kit that contains the most often-purchased...
$103.50  $82.80
Save: 20% off


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10/13848 Pre-Bent Thermocouple (100/200/325)

Pre-Bent Thermocouple (100/200/325)

This thermocouple fits all Myson and Thermar models 100, 200 and 325.  This part comes already bent, ready to install.  You can purchase...
$25.10

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10-13848 Straight Thermocouple (100/200/325)

Straight Thermocouple (100/200/325)

This thermocouple is straight, so you will need to bend it to install it.  This same thermocouple is sold pre-bent for $2 more under the same...
$23.10

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10-12460 Diaphram, Rubber W/Plate for Myson 325 and Thermar TL200

Diaphram, Rubber W/Plate for Myson 325 and Thermar TL200

This includes both the rubber diaphragm and the steel backing plate.
$31.90

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10/12345 Main Gas Burner, Stainless, fits Myson 325 and Thermar TL200

Main Gas Burner, Stainless, fits Myson 325 and Thermar TL200

These are no longer manufactured, so the ones we have in stock are taken from gently used units.  Price is for one burner. 
$22.00

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10/17792 Eco for all Myson and Thermar Models - New

Eco for all Myson and Thermar Models - New

The original Myson/Thermar part is no longer available, but we found this replacement part with the same specifications.  The wires will likely...
$53.90

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19/12781 Main Burner Orifice - LP - fits Myson 325 and Thermar TL200

Main Burner Orifice - LP - fits Myson 325 and Thermar TL200

$11.00

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19/12782 Main Burner Orifice - NG - fits Myson 325 and Thermar TL200

Main Burner Orifice - NG - fits Myson 325 and Thermar TL200

$11.00

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10/13849 Thermocouple Connector for Myson 325 and Thermar TL200

Thermocouple Connector for Myson 325 and Thermar TL200

$26.40

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