Extends in 1'' increments (1'' per extension kit)

For deep in-wall installation of: J-TH34J-TH12J-TH34-686 (For thermostatic valve extension only)J-TH34-687 (For thermostatic valve extension only)J-TH34-688 (For thermostatic valve extension only)J-TH34-689 (For thermostatic valve extension only)Extends in 1'' increments (1'' per extension kit)Multiple extension kits can be used for deeper install (JACLO does not recommend using more than two)

Multiple extension kits can be used for deeper install (JACLO does not recommend using more than two)

J-TH34-689 (For thermostatic valve extension only)

J-TH34-688 (For thermostatic valve extension only)