1-1/4" Threaded, Spirovent Jr Air Eliminator
Brand: Spirotherm
Part#: VJR125
Temporary Out of Stock
Usually ships: Upon availability

Spirovent Jr air eliminator model VJR125 features a patented Spirotube coalescing component, which "filters out" the air from a hydronic or radiant heating system' fluid, allowing for improved performance and extending the lifespan of the heating system's components.

Spirovent Jr air eliminator features an easy to install, in-line design, making it ideal for a large variety of residential and light commercial uses with pipe sizes ranging from 3/4" to 2".

Spirovent Jr model VJR125 is also equipped with a 1/2" threaded tapping, which allows for easy connection of an expansion tank.

Installation manual included.

Technical Specifications:
  • Construction: solid brass construction
  • Connections: 1-1/4" FNPT (female threaded)
  • Max. operating pressure: 150 PSI
  • Max. temperature: 270F
  • Bottom tapping: 1/2" FNPT
  • Flow at 4ft/sec. velocity: 15 GPM
  • Weight: 4.0 lbs.
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20 year limited warranty by the manufacturer.
Ask a Question
i have 2000 sqf house 2 floors is this is what i need to remove the air fro my system. SpirothermVJR125638559001119
Helpful? Yes No
See the manual - it will show you the optimal location for the air eliminator. Determine the size (diameter) of the main heating line (again, see illustration in the manual). Majority of the main boiler lines are 3/4" - 1-1/4" pipes.
By PexUniverse Customer Service on 01/31/2013

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