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Actual product may vary from photos.
The Spirotherm VJR075TM has been discontinued.
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(800) 865-5931

Monday - Friday

8:30 AM - 5:00 PM Central

The Spirovent Junior provides reliable automatic air release in the top of a hydronic system, allowing rapid filling and draining. When you use a Spirovent, no other air bleeders are needed. Use a Spirovent on every new hot- and/or chilled- water system for air related problems in existing systems. It's a simple retrofit. Just locate the Spirovent in the common piping at the boiler. This is the point where the water is the hottest. The Spirovent Junior comes in 3/4", 1", 1-1/4" , and 1-1/2" female-threaded sizes and is made of solid brass for long life. The 1" and 1-1/4" models are tapped at the bottom to accommodate a bladder type compression tank.

Piping Connections - Water
3/4 Inch(es)
Automatic/Manual

Automatic type air vents are installed close to the boiler on a supply pipe common to the entire system. Manual air vents are installed at high points in the system, often on the outlet side of radiators.

Automatic/Manual
Automatic

In 2002 Alpine Home Air Products became the first company to sell heating, air conditioning and indoor air-quality products online. We have proudly served hundreds of thousands of customers, helping them save time and money by buying their products direct.