Sta-Rite 77707-0255 air blower kit for the 333 propane Max-E-Therm burner systemSta-Rite Air Blower Kit for 333 Propane Max-E-Therm Burner System, 77707-0255 In stock$73199
Sta-Rite 77707-0255 air blower kit for the 333 propane Max-E-Therm burner system
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Sta-Rite Air Blower Kit for 333 Propane Max-E-Therm Burner System, 77707-0255

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Quick overview

  • Model 333 propane Made for the 333 size heater running on propane, not the natural gas version.
  • Complete kit Supplied as an air blower kit rather than a bare motor.
  • Feeds the burner The blower delivers the combustion air the burner system needs to fire correctly.
  • A dead blower stops the heater Most heaters will not light at all if the blower does not prove its airflow.
  • Part 77707-0255 The manufacturer part number for this LP blower kit.
  • Burner system part Belongs to the Max-E-Therm and MasterTemp burner system group.
Full description and specifications ↓

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Product details

Part 77707-0255 is the air blower kit for the model 333 propane Max-E-Therm burner system. It replaces the combustion air blower on the LP version of that heater.

What the blower does

A modern pool heater does not simply light a burner. It first pushes a measured volume of air through the burner system and confirms that airflow is present before it will allow gas. The blower is what supplies that air. If it fails, or if its airflow drops below what the control expects, the heater locks out and never gets as far as ignition.

Check fuel and size first

This kit is specific to the 333 size running on propane. The natural gas version and the other heater sizes take different kits, so read the rating plate rather than working from the model name alone.

A note on the brand

You will see this part under two names. It is listed as Sta-Rite with the Max-E-Therm heater line, and the source also describes it as a Pentair part filed under the MasterTemp burner system. Those heater lines share the hardware, so both references point at the same kit.

Specifications
Brand Sta-Rite
Manufacturer part number 77707-0255
UPC 788379785659
Type Air blower kit
Fuel Propane, LP
Model 333
System Max-E-Therm burner system
Part type Pool heater part
Also listed under Pentair MasterTemp gas heater burner system parts, and described in the source as a Pentair part
Shipping weight 14 lb
Ships Parcel

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Questions and answers

What people ask about this product, answered by our pool techs.

Does this fit a natural gas heater?
No. This kit is listed for the model 333 propane version. Natural gas heaters take a different blower kit, so check the rating plate on your heater before ordering.
Is it Sta-Rite or Pentair?
Both names appear on this part. It is listed under the Sta-Rite brand and the Max-E-Therm name, and the source also describes it as a Pentair part filed with the MasterTemp burner system group. The two heater lines share this hardware.
What does the blower do?
It pushes combustion air through the burner system. The heater checks that airflow before it will light, which is why a failed blower usually shows up as a heater that will not fire at all.
Is this the whole assembly?
It is supplied as an air blower kit, so it arrives as a kit rather than as a loose motor.
Ask your own question