Unocal - Pacific Northwest, US - Spirotherm

Our products are easy to install, save energy, and contribute to a more sustainable environment.

Combination Air & Dirt Separator (SpiroCombi)

Air Eliminator (SpiroVent)

Dirt Separator with Magnet (SpiroTrap)

Hydraulic Separator (SpiroVent Quad)

Automatic Air Vent (SpiroTop)

Dirt Separator (SpiroTrap)

Our products are easy to install, save energy, and contribute to a more sustainable environment.

Air & Dirt Separator

Hydraulic Separator

Automatic Air Vent

Vacuum Degasser

Stainless Steel

Videos (YouTube)

As the leading expert in system water quality, we were able to find solutions for issues that occur in your system. Failures in your system and low efficiency of your heating and cooling system can be prevented by using the right products to protect your system due to the system water, the key element in every HVAC system.

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Unocal - Pacific Northwest, US

4" Spirovent® air eliminator being used to control foam in a bottling operation for transmission fluid and motor oil.