Raypak 133-4001 Boiler User Manual


 
19
CONTROLLER SENSOR
(LESS THAN 4-STAGE)
CONTROLLER SENSOR
(4-STAGE OR MODULATION)
5’ MAX
5’ MAX
Fig. 24: Single Boiler Primary/Secondary Piping—Models 133–4001
Note: Expansion tanks (supplied by others) should be installed per manufacturer's instructions.