Description
The Aqua Hot – BR-809 Circulation March Pump 12VDC – PLX-809-200 is a direct replacement circulation pump designed specifically for Aqua-Hot hydronic heating systems. This essential component circulates heated antifreeze through the heating loop, delivering consistent interior heat and dependable hot water performance in your motorhome.
Built as a March seal-less centrifugal magnetic drive pump, the BR-809 offers quiet, continuous operation ideal for RV and coach applications. Its seal-less design reduces leak risks and minimizes maintenance compared to traditional pump styles, making it a trusted solution for long term reliability.
Performance Specifications
Voltage: 12VDC
Voltage Range: 0–14V
Power: 0.01 HP / 0.007 kW
Amperage: 1.1 Amps
RPM: 1850
Max Flow: 5 GPM (18.9 LPM)
Max Head: 7.1 ft (2.1 m)
Max Internal Pressure: 150 PSI
Max Liquid Temperature: 250°F / 121°C
Inlet: 1/2 inch MPT
Outlet: 1/2 inch MPT
Durable Construction
The wet end materials include:
Bronze front housing
Stainless steel rear housing and shaft
Teflon thrust washer
Silicone O-ring
Ryton, Teflon, and glass filled impeller
This durable construction allows the pump to handle heated antifreeze and glycol solutions commonly used in hydronic heating systems.
Important Installation Notes
This pump is not self priming
Requires a flooded suction
Do not run dry
One year manufacturer warranty from date of purchase to the original purchaser
Proper installation ensures maximum service life and optimal performance from your Aqua Hot – BR-809 Circulation March Pump 12VDC – PLX-809-200.
Part #: PLX-809-200
Your Hydronic Heating System, whether it is an Aqua Hot, Hydro Hot or Webasto DBW 2010 has a white label with a model number on the heater. This label can be found on the top or on the side of your Aqua Hot, Hydro Hot or Webasto Heating System.
List of compatible model numbers,
Aqua Hot
431/12
431/11B
431/11
AHE-920-431
AHE-200-02S
AHE-101-000
AHE-100-00S
AHE-100-01S
AHE-100-02S








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