Reznor UBX Kit Installation

HEAT EXCHANGER GASKET KIT INSTALLATION

FOR UNIT HEATERS
• To prevent damage during shipping or storage, gasket kits for replacement heat exchangers are shipped in a
parts bag.
• Gasket kits should be attached to the replacement heat exchanger at the time of installation.
• All gaskets are self-adhesive and are cut to size.
• Refer to the installation manual provided with the heater for important safety information.
• Ensure that all components listed in
Item
Component
*
No.
Top/bottom header
1
panel gasket
Front/rear heater
2
panel gasket
Tube support
3
gasket
*
See Figure 1.
• Improper installation could result in death, serious injury, and /or property damage. The qualified
agency performing this work assumes responsibility for this installation.
• Proper installation and sealing of the heat exchanger to the heater is necessary for reliable and
safe operation. Failure to properly install could result in property damage, personal injury, and/
or death.
• The replacement heat exchanger should be installed by a qualified service agency in compliance
with all codes and requirements of authorities having jurisdiction.
NOTE: Unit sizes 030–125 require the installation of four (4) gasket strips. Unit sizes 150–400 re-
quire the installation of five (5) gasket strips.
Install the heat exchanger gasket kit as follows (item numbers refer to
MODELS UBX, UBZ, UDX, AND UDZ
Table 1

Table 1. Heat Exchanger Gasket Kit Components

030, 045
Size
1036360
5/8 × 21-3/8 1033925 (2)
1 × 35-23/64
5/8 × 12-5/8 1033922 (2)
5/8 × 15-5/8 —
5/8 × 23-5/8
1 × 20-3/16
1 × 26-3/16
1 × 34-3/16
1 × 89-7/32
1 × 95-7/32
1 × 103-7/32
⚠ DANGER ⚠
Revision: UBX-UBZ-UDX-UDZ-HX (02-22) 1037154-0
are available before beginning installation.
060, 075 100, 125
1036361 1036362
Component PN (Quantity)
1033925 (2) 1033925 (2)
—
—
1033923 (2) —
— 1033924 (2)
—

INSTALLATION

Supersedes: — (Original Version)
Unit Size
150, 175, 200 225, 250
Kit PN
201670 201671
194533 (2) 194533 (2)
195986 (2)
— 195987 (2)
—
201424 (1)
— 201425 (1)
—
Figure 1):
300, 350, 400
201672
—
194533 (2)
—
—
—
195988 (2)
—
—
201426 (1)