New Lead Free Versions of the K Valve, 2-Way Unimizer® and QuickDisc®

For the domestic water applications, we are excited to release the certified lead free ½” and ¾” QuickDisc® and lead free ½” and ¾” 2-way Unimizer®.  Download the color flyer that can be emailed to your customers here.  


QuickDisc® Announces The Sweat Version

Since the launch of the QuickDisc® manual balance valve it has been one of our most talked-about products! The valve combines a traditional venturi for flow measurement with a ceramic disc never before used in the HVAC market. (If you missed the video about the valve’s features and benefits it can be viewed here)So we […]


MVP Product Line Expansion

In the early 1990’s FlowCon International introduced the world’s first PICV, eventually sold in the United States as the MVP Valve. The MVP valve,  and PICV´s in general, have heavily impacted the HVAC industry and become known for the superior functionality, energy savings, and durability. It is therefore with great pride that Griswold Controls introduces […]


Introducing PIM™-A

We are excited to introduce the next phase in our Pressure Independent Product Line, the PIM™-A. The PIM-A joins the PIM product family as an adjustable pressure regulator that can maintain a constant pressure differential across ANYTHING! With a wide PSID range of 4-25 PSID it can be used to maintain a constant pressure differential […]


Griswold Controls Introduces QuickDisc®

Griswold Controls is excited to announce the launch of the QuickDisc® manual balance valve. This valve combines a traditional venturi for flow measurement with a ceramic disc never before used in the HVAC market. Ceramic discs have been used for years in the plumbing industry and are a perfect option to replace the more expensive […]


Griswold Controls introduces Pinnacle Valve

Griswold Controls introduces Pinnacle Valve Pinnacle Valve is a pressure independent actuated valve. This compact zone valve incorporates pressure independent technology to control the flow regardless of pressure fluctuations in the system. The Pinnacle’s higher close off pressures make it ideal for applications where traditional zone valves are prohibited. For more information visit PICV


Products Putting you in Control Now and for the Next Generation

Have you ever wished you could repair a leaking valve in the field without having to remove the valve from the system? Have you ever had problems with chemical treatments in HVAC systems destroying valve components? Have you had issues with hotter soldering practices mandated by legislation that eliminates the use of lead-based or other […]