Installation manual

USE ONLY THE ULC LISTED BOILER COMPONENTS AND

UL/CSA LISTED OIL OR GAS BURNER COMPONENTS SUPPLIED WITH

THE QHT BIASI B10 SERIES BOILER SYSTEM.

Please refer to figures below for Barometric Damper location for either oil or gas

and to the next page for the proper location of the trim components.

4. Installation of Boiler Trim Components

NOTE: See Page 19 for

available gas burners in

North America

BIAS

Heat Wise

BAROMETRIC DAMPER

WITH MANUAL RESET

SPILL SWITCH

ALTERNATIVE

DAMPER LOCATION

BIASI B10

POWER GAS

BURNER

GAS COCK

DRIP LEG

UNION

GAS TRAIN

Trim Kit Components

1 - Honeywell L4006A or 7248U

aquastat

1 – Combo pressure/temp gauge

1 – ¾” X 3” Nipple

1 – 30 PSI pressure relief valve

1 – ¾” Boiler drain

1 – Cera-fiber Pad for floor of

combustion chamber

1– ¼” X ½” Bushing

2 – ¾” Plugs

1 – ¾” 90° Elbow

1 – Immersion well

1- Double acting barometric

damper with manual reset spill

switch (Gas systems only)