Application Tips

Application Tips for a variety of applications and uses.

For an overview of all our products by complimentary product visit the HVAC 101 brochure.

  • All Tips
  • Complementary HVAC Equipment
  • End User - Building Type
  • Installation
  • Product Info

Pressure Testing with Air Versus Pressure Testing with Water

Pressure Testing with Air versus with Water Pressure Testing with Air versus Pressure Testing with Water to detect leakage is a common [...]

Healthcare Facility Experts with 3000+ Successful Hospital Projects as Proof

Griswold Controls valves have been installed in thousands of hospitals and health care facilities across the country. With our substantial experience, we [...]

Protect Your Cooling Towers with Hi-Flow Cartridges

Griswold Controls’ Hi-Flow automatic balance cartridge was designed for the unique needs of a cooling tower and has been used for decades [...]

Side Stream Filters

Side stream filters are installed on almost every commercial hydronic system, diverting a small portion of the total flow from the discharge [...]

Hotels – Ensuring Guest Comfort 24/7 using Griswold Controls Valves

Hotels take hospitality seriously! A good hotel’s first priority is to take care of their guest and make them comfortable. Griswold Controls [...]

Fail-safe – Capacitor Return vs. Spring Return

A fail-safe actuator returns to a pre-set home position when power is removed from the actuator. In comparison a non fail-safe actuator [...]

Converting 3 – Point Floating Actuators to On/Off Actuators

With more and more actuator manufacturers removing on/off control actuators from their product line, the Controls Contractor is forced to find ways [...]

Benefit of Using Flow Limiting Valves with Modulating Temperature Control Valves

~Authored by Jerry Boulanger Many statements have been made about the unsuitability of automatic flow control valves (more accurately called flow limiters) [...]

LEED Points Using Valves to Improve Efficiency of HVAC System

Griswold Controls has been a proud member of US Green Building Council (USGBC) for almost ten years. Although USGBC does not certify, [...]

Converting Actuator Requiring 2-10vdc to Accept 4-20mA Signal

One of the differences among building control systems and electronic products like actuators is the type of control signals that are acceptable. [...]

Healthcare Facility Experts with 3000+ Successful Hospital Projects as Proof

Proven Applications in Healthcare Facilities  Griswold Controls valves have been installed in thousands of hospitals and healthcare facilities across the country. With [...]

Chilled Beam Systems

“Hot air rises,” he grumbled as he climbed the ladder toward the ceiling, his boot tips clicking on each rung of the [...]

Cooling Computer Data Centers for Decades

Heat may be your friend on a tropical vacation but in a computer data center, heat is your number one enemy! Griswold [...]

Using Automatic Valves to Determine System Pump Requirements

The pumps in most chilled water systems are over-sized for the head pressure. Trimming the pump(s) to match the requirements of the [...]

Piping Pressure Independent Valves in Parallel for Greater Flows

The Pressure Independent Valves, PIC-V and MVP, can be piped in a parallel orientation to achieve flowrates greater than the maximum flowrate [...]

Advantages of the Next Generation Stem

Have you ever wished you could repair a leaking valve in the field without having to remove the valve from the system? [...]

Greenhouses & Cannabis Grow Facilities

Griswold Controls Pressure Independent Valves and Actuated Valves have been installed for years in grow facilities around North America to help improve [...]

Using the MVP® to Protect Your Chiller in a Variable Primary Flow System

In Variable Speed Pumping systems the chiller must be protected from changes in flow rate because changing flow rates can cause pressure [...]

Griswold Controls Solves Cold Shower Issues

Cold showers and lack of hot water are a building manager’s nightmares! Unbalanced systems also happen in domestic hot water recirc and [...]

Air in HVAC Systems

Griswold Controls recommends venting the air from the HVAC system to protect equipment from damage and limit noise. Air trapped in a [...]

Using Griswold Controls Valves for Fluids Other Than Water

Griswold Controls Valves can control the flowrate in fluids other than water, including air. A simple equation can be used to convert [...]

Heating and Cooling Schools and Universities for Decades

Maintaining optimal heating and cooling in an educational facility isn’t just about student and teacher comfort. While studies show that students learn [...]

3-Way Control Valves or Pressure Independent Valves?

A 3-way control valve shuts off water flow in one pipe while opening water flow in another pipe. In a modulating or [...]

Using A Control Valve For Heat Pump Applications

Heat pump applications require a quick opening actuated control valve to protect the compressor from failure – most manufacturers recommend that the [...]