up to
96%
AFUE Efficiency
k n i g h t h e a t i n g b o i l e r . c o m
C O N D E N S I N G R E S I D E N T I A L G A S B O I L E R S
CONTROL WITH ALL NEW,
ADVANCED USER FEATURES
5 FLOOR-STANDING AND 5 WALL-MOUNT
MODELS FROM 50,000 TO 285,000 BTU/HR
FIRING RATE MODULATION TO 5:1
LESS THAN 20
ppm
NO
x
DIRECT VENT FLEXIBILITY TO 100 FEET
UP TO 98% EFFICIENCY IN LOW TEMP
APPLICATIONS