THERMOSETTER™ Thermal Balancing Valve (thermal disinfection using actuator)


Adjustable thermal balancing valve for domestic hot water recirculation circuits.  
Bypass valve with 656 Series actuator (sold separately) for thermal disinfection and protection against Legionella.

DZR low-lead brass valve body.

Drywell for temperature gauge.
Optional check valve. 

Max working pressure: 230 psi (16 bar)
Adjustment temp range: 95° - 140°F (35°- 60°C)

Cv min:  0.23
Cv max:  2.1
Cv disinfection:  1.2
Cv design:  0.52

Compliance with the following standards:
                   NSF/ANSI 61 - Drinking Water System Component – Health Effects
                   NSF/ANSI 372 - Drinking Water System Components - Lead Content
                   Reduction of Lead in Drinking Water Act - California Health and
                      Safety Code 116875
                   S.3874 - Reduction of Lead in Drinking Water Act
                   Vermont Act 193 - The Lead in Plumbing Supplies Law
                   Maryland's Lead Free Law Hb.372 

→ Review ICC-ES Evaluation Reports



  • NSF61


code description check valve gauge weight
116340A ½" NPT female no yes 1.8
116340AC ½" NPT female yes yes 2.0
116350A ¾" NPT female no yes 1.7
116350AC ¾" NPT female yes yes 1.9


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