Awarded to companies that manufacture and/or distribute eco-friendly products; and/or their products are used primarily in eco-friendly applications.
Awarded to companies whose production facilities and manufacturing processes are eco-friendly.
Awarded to companies that recycle materials and dispose all hazardous and toxic waste in an eco-responsible manner.
Awarded to companies that are highly energy efficient.

About Us

Rostra Vernatherm is an engineering firm and manufacturer of non-electric, self-actuating, thermostatic, solar freeze-protection valves for solar-thermal systems. These valves contain precise thermal actuators that open the valves when the temperature approaches freezing and closes them upon warm up. 

Rostra Vernatherm

106 Enterprise Drive
Bristol, CT

CONTACTS Ken Lionello
TELEPHONE 1-860-582-6776
FAX 1-860-582-0298
Follow  on Twitter
Send To:
Your E-mail:
Message Subject:

Enter your Message:

Copy me on this message.
Product Categories

Business | Training & Education | Technology Development

Design and Engineering Services, Solar Thermal

Fluid & Gas Handling | Flow Control

Actuators, Valve control

Valves, Freeze Protection

Valves, Pressure Relief

Valves, Water

Motion Control | Positioning | Support

Actuators, Thermal