Q&A with ThermOmegaTech about new automatic DHWS balancing valve – CircuitSolver Union Sanitary Flush
Being “first” often sets the bar high. As one of the first manufacturers of a thermostatic balancing valve for domestic hot water systems, ThermOmegaTech’s commitment has not just been to set the bar but also to raise the bar. Since the introduction of its CircuitSolver in 2012, the company has frequently added components, including ball valves, strainers, check valves and ProPress ends to meet customer demand.
In April 2018, the innovation continued with the launch of the CircuitSolver Union Sanitary Flush thermostatic balancing valve for domestic hot water systems. The union is integral with the valve body, which also has an optional integral check valve. A key feature of the CircuitSolver Union Sanitary Flush is the new capability to automatically balance a domestic hot water system during a high-temperature sanitary flush procedure.
In the following Q&A with ThermOmegaTech, Plumbing Engineer explores the features of the new product, including its ability to mitigate Legionella and other bacteriological problems.
PE: What makes CircuitSolver Union Sanitary Flush different from other valves on the market?
TOT: It has an all-stainless-steel construction for maximum corrosion resistance and durability. It is NSF61 and NSF372 certified — even though it seems that all components in a domestic hot water system (DHWS) should be certified and most plumbing codes and specifications say they must be, not all balancing valves are certified. The valve is completely automatic, thermostatically balancing both the standard recirculation temperature as well as the high-temperature sanitary flush cycle. No power, signal or powered actuators are required, as in some other such balancing valves.
ThermOmegaTech’s design is highly resistant to mineral buildup and the adverse effects of debris in the piping system. It is the only tamper-proof thermostatic balancing valve on the market. Other competitive devices are adjustable for several reasons: those manufacturers don’t manufacture their own thermal actuators as ThermOmegaTech does. They can not be as flexible and offer all the setpoint variations we can, so their valve is adjustable, making it prone to tampering and/or being set to a temperature other than what the designer specified.
With this valve, the plumbing system designer specifies the desired temperature and the valves are factory-set to that exact setting.
PE: What are the benefits or special features of the CircuitSolver Union Sanitary Flush that are specific to those designing and specifying thermostatic balancing valves for DHWS?
TOT: CircuitSolver Union Sanitary Flush brings the benefits of the standard CircuitSolver into high-temperature sanitary flush applications. There is no manual balancing required. It can simply be installed; once the system is turned on, within minutes the building’s DHWS is balanced. Unlike manual balancing valves or fixed-flow devices, CircuitSolver Union Sanitary Flush will automatically go to full open when high-temperature water is being flushed, providing maximum flow for high-temperature sanitary flush…
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