10
4. Installation of Boiler Trim Components
USE ONLY THE ULC LISTED BOILER COMPONENTS AND UL/CSA LISTED OIL OR GAS BURNER
COMPONENTS SUPPLIED WITH THE BOILER SYSTEM.
Please refer to the figure below for Barometric Damper location for either oil or gas
and to the next page for the proper location of the trim components.
BIAS
NOTE: See Page 21 for available
gas burners in North America
SRU BOILER
1 - Hydrostat 3250TC High Limit w/LWCO
1 – ¾” Plugs
1 – Combo pressure/temp gauge
1 – ¾” 90° Elbow
1 – ¾” X 3” Nipple
1 –
¾” Electrowell
1 – 30 PSI pressure relief valve
1 – Cera-Fiber Pad
(FOR BOTTOM OF BOILER CHAMBER)
1 – ¾” Boiler drain
Trim Kit Components
(Required for Gas systems only)
WT-1 and WT-2 Trim Kits Include:
WT-1 Has 4 GPM Coil WT-2 Has 5 GPM Coil
LT “Less Tankless” Trim Kit
Uses the same components as the WT “With Tankless” Trim Kit except the Hydrostat
Controller has been changed to the Hydrolevel 3250Plus to allow for the use of an
outside sensor