Replacement Parts

Prestige
Temperature Sensor Replacement
2
1. Preliminary Instructions:
1. Verify that the replacement kit is correct for the
model of boiler. See table on page 1.
2. Carefully open and unpack the PARTS BOX from its
shipping carton.
3. Carefully remove and check for any damage.
NOTICE
Do not proceed with installation and contact Triangle Tube
right away if the sensors are damaged in any way.
4. Turn o the electrical power supply to the boiler.
5. Close the manual gas shut o valve to the unit.
2. Temperature Sensor Removal
1. Remove the front panel of the boiler by removing
the screw on the bottom of the front panel and
lifting the panel up and out. Do not discard the
screws.
2. Close all isolation valves on the system piping to
the boiler. Close the ll valve line to the system.
3. Connect a garden hose to the boiler drain.
4. Direct the hose to a suitable place of drainage. En-
sure boiler drain connection is between the boiler
and the closed isolation valve.
5. Open the drain valve and begin draining the boiler.
WARNING
!
Water from the boiler drain connection may be ex-
tremely hot. To avoid personal injury, death or sub-
stantial property damage:
- Tighten all drain hose connections to avoid leakage.
- Direct hot water away from all persons.
6. Locate the temperature sensor location from Fig. 1
and Fig. 2.
Fig. 1: Prestige 250 Temperature Sensor Location
Fig. 2: Prestige 299/399 Temperature Sensor Location