Laars Heating Systems RXD7202 Control Module 320788-704 Once the pilot is relit
Yard notes & kiln story
Description
Laars Heating Systems RXD7202 Control Module 320788 704 Once the pilot is relit Once the pilot is relit and the thermocouple has reached operational temperature (typically 30 60 seconds) This model features a cast iron casing specifically for closed loop hydronic systems where oxygen is minimal