Shipping, Handling & Insurance Charge
The minimum shipping charge is $15 per order. Shipping, Handling & Insurance Charge will be calculated automatically at checkout. New York State residents must add sales tax. Sales tax is added at checkout. Heaters will have a shipping charge added to some destinations
Laser 73 Joint Gasket 20474992
This is the gasket between the combustion chamber and the heat exchanger. It often expands out of the seal area and cracks. The signs of a failed gasket are slight exhaust fume odor at start up. This is the most common replacement part on this model. Keep a spare. Don't forget to add shipping if your order is under $500.
Laser 73 Igniter 20475518
Igniters fail in two ways. 1) Fails to get hot (electrical open internally) or fails to seal at the point where the wire enters the ceramic and can emit combustion odors. Replacement Igniter and gasket. Water in the fuel can crack an igniter.
Laser 73 Draft Tube 20478683
This rubber hose from the fuel controller to the Burner Pot often is brittle and cracks. Always replace if cracked or damaged for safe operation.
Laser 73 Fuel Nozzle Gasket 20478383
This part gets brittle and often breaks when removing the fuel nozzle. Recommend to have a spare when removing or replacing fuel nozzle.
Laser 73 Chamber Gasket 20475893
This is the gasket in the middle of the combustion chamber. It normally does not need replacing unless it is damaged during disassembly for cleaning the combustion chamber or replacing the flame ring.
Laser 73 Burner Gasket 20475194
This is the base gasket for the combustion chamber. It normally does not need replacing unless it is damaged during disassembly.
Laser 73 Fuel Nozzle 20478026
Poor fuel can cause the fuel nozzle to get plugged solid with carbon deposits. Sometimed it can be drilled out carefully or it can be replaced.
Laser 73 Outer Fuel Nozzle Gasket 20479885
Use when replacing Fuel Nozzle
Laser 73 Rubber Elbo 20474983
This is the rubber elbo inside the heater from the blower motor to the base. With age it often gets brittle and breaks.
Laser 73 Burner Mat 20478613
Replace the Burner Mat when rebuilding the burner pot. Special adhesive glue is included.
Laser 73 Heat Exchange O-Ring 20475877
This is the very large O-Ring between the blower motor and the heat exchange. It does not go bad often but may become brittle with age. Alway check this part when cleaning the heat exchanger and blower motor.
Laser 73 Igniter Guide Gasket 20479521
Replace when brittle or when replacing Burner Pot
Laser 73 Blower Motor Gasket 20475875
This gasket usually stays in place in the blower motor cover and can be reused. But if it stick and rips when cleaning the blower motor fan... replace it.
Laser 73 Drip Tray 20478129
Replacement for damaged or missing tray.
Laser 73 Heat Exchanger 20478644
Fuel Oil can overheat this part and cause it to crack. Replace if damaged.