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Felt ring

This felt ring is used between the combustion blower and the heater exchanger on a D3L heater. Two (2) of these rings are required Qty More Info...

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Flame sensor

This flame sensor is the component that monitors heater start up and glow plug shut off. If heater starts, then shuts off, this could be the problem Qty More Info...

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Flame sensor

This flame sensor is used with the D7W coolant heater model 25.1807.05. It will not work with the 15.1666 models Qty More Info...

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Flame sensor

This flame sensor fits all D9W and Hydronic 10 model heaters. Works in both 12 and 24 Volts heaters. This sensor DOES NOT work in the new M2 series. Qty More Info...

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Flame sensor

This flame sensor will fit the B/D1LCC and B/D3LCC (compact) heaters. It will not fit the older ""LC"" family if heaters (external control unit) Qty More Info...

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Fuel Line, Black Plastic 2mm/MTR

Black Plastic Fuel Line 2mm, sold by the meter.

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Fuel metering pump

This part number has been replaced by 25.1830.45.0000.

25.1688.45.0000 is no longer available.

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