The LAARS LT199NRX1/LT199PRX1 (recirc models) are program defaulted from the factory for NON recirc. To activate recirc function the water heater must be programmed to provide recirc function depending on the recirc option selected and piped in that ...
*Important* information regarding the use of Tekmar 30x Zone Panels with Laars FT Boilers..... When utilizing a Tekmar 30x zone panel with Laars FT boilers when Tekmar is selected to control modulation signal , ALWAYS make sure that the dipswitch (#5 ...