Raypak RAYTHERM 133-4001 User Manual
Page 3

Type H1 - Mechanical Modulating
Type H2 - Motorized Modulating
Type H5 - Mechanical Modulating
High-Wind Conditions (Outdoor Units Only)8
Combustion and Ventilation Air
CONTENTS
3
Filling System - Heating Boilers
Heating Boilers
25
Initial Start-Up - Pump And Motor
For Models with Automatic Gas Valves
Main Burner and Orifice Removal
WARRANTY
42