Reznor OH-140 Installation Manual
Form I-OIL-HS (07-15)
Obsoletes Form I-OIL-HS (Version A.3)
Installation Instructions for Oil Tank
Heater Stand, Option ST1
Applies to: Oil-Fired Heater Models OH 95, 140, 190;
RA 110, 140, 150, 235, 250; RV 225, 325
and a Model OT-250 Oil Tank
Description/
Application
IMPORTANT
The Option ST1 heater
stand may only be used
with a Reznor® Model
OT-250 workbench oil
tank and one of the
Reznor heaters listed
below.
Model ......Sizes
OH ...........95, 140, 190
RA ...........110, 140, 150, 235, 250
RV ...........225, 325
DO NOT use this
heater stand with any
other models or sizes of
heaters.
Option ST1 heater stand is designed to be eld-assembled to a Model OT-250
workbench oil tank for the purpose of supporting a Reznor® oil-red unit heater.
Adding the optional stand to the tank creates a unied tank/heater structure.
Suspension of the heater is not required when it is installed on the heater stand.
Select a location that will allow for required heater clearances as shown on the
rating plate and in the heater installation manual.
Assembled Tank/Heater Structures using Option ST1
Model
RV225
Model
RA235
Option ST1
Heater Stand
Model OT-250
Workbench
Oil Tank
Components
Before beginning installation, verify components against the list below.
Check for damage. If damage is found, le a claim with the transporting agency.
Option STI Package P/N 202829
Components: Qty P/N
Structural
Parts and
Label for all
installations
Corner
Hardware for
all instalaltions
Setscrew
Hardware for
all installations
Angle Stops
and Hardware
(See
application
listed.)
Corner Post, 1-1/2” square tubing, approximately 8 feet long
Tube Bracket Assembly, 2" square tubing
Warning Label
Front and Rear Support Angle 1-1/2” x 1-1/2” x 64" long
Hex Head Cap Screw, 1/2-13 x 3/4”
Flat Washer, 1/2"
Lock Washer, 1/2"
Hex Head Cap Screw, 1/2-13 x 1-1/2”
Jam Nut, 1/2 -13
Angle Stop, 1-1/2”x1-1/2”x1-1/4" lg w/ 3/8 & 7/32 holes - for OH & RA
Hex Head Cap Screw, 5/16-18 x 3/4” - for OH and RA
Hex Head Nut, 5/16-16 - for OH and RA
Flat Washer, 5/16" - for OH and RA
Lock Washer, 5/16 - for OH and RA
Angle Stop, 1-1/2”x1-1/2”x1-1/4" lg w/ (2) 9/32 holes - for RV
1/4-20 3/4" long F-point Screw - (8) for RV and (4) for RA 150, 250
Form I-OIL-HS, P/N 122407R4, Page 1
4 202826
2 202828
2 121734
2 202827
4 121593
4 121595
4 111306
8 121596
8 45550
4 202825
4 16247
4 1035
4 27761
4 1333
4 202830
8 114687
Stand Dimensions
(4) P/N 202825,
Angle Stops (For OH
and RA) - See below.
Top View
of Assembled Stand
(4) P/N 202830, Angle Stops
(For Model RV) - See below,
A
B (Face to Face Angles)
63-1/2” (1613mm)
Front View of
Assembled Stand
(4) P/N 202826
Corner Post
(2) P/N 202827,
Front/Rear
Support Angles
C
C
97-1/4”
(2470mm)
Model/Size
OH 95, 140, 190;
RA 110, 140
RA 235 9-13/16 249 43-3/8 1102
RV 225, 325 -- -- -- -- 6-1/16 154
RA 150 14-7/8 378 33-1/4 845 -- --
RA 250 9-7/8 251 43-1/4 1099 -- --
30” (762mm)
(2) P/N 202828
Tube Bracket Assy
Side View of
Assembled Stand
A B C
inches mm inches mm inches mm
14-13/16 376 33-3/8 848 -- --
Identify Angle Stops to
use by their Hole Sizes
Angle Stop, P/N 202825,
for Models RA and OH
(IMPORTANT: Tank is not shown here,
but stand MUST be installed on a
Model OT-250 Workbench Oil Tank.)
61-3/4” (1568mm)
Instructions
WARNING: Do not
attempt to adapt
this stand to t any
other oil tank; use
only with Reznor
Model OT-250
above ground oil
supply tank. Use
stand only with
®
Reznor
oil-red
unit heater models
and sizes listed on
page 1.
®
95-3/4”
(2432mm)
25-7/8” (657mm)
(1) 3/8 dia hole
(1) 7/32 dia hole
Angle Stop,
P/N 202830,
for Model RV
(2) 9/32 dia holes
1. Model OT-250 Oil Tank – If the tank has not been installed, follow the
handling instructions supplied with the tank. Contact the local re marshal
to assure compliance with local regulations and codes. The oil supply tank
must be installed in accordance with national and local codes.
Proper tank and stand installation is the responsibility of the installer. Select
the tank location with consideration for tank venting requirements, heater
clearances (refer to the heater installation manual), and heater venting. Tank
must be level and stable.
2. Install Heater
Stand Corner
Posts – Slide the
four corner posts
(8-ft lengths of
square tubing) down
Model
OT-250
Oil Tank
Slide the four corner
posts down through
the upper and lower
tank sleeves.
through the upper
and lower sleeves
Upper Tank Sleeve
that are welded to
the ends of the tank.
Lower Tank Sleeve
Form I-OIL-HS, P/N 122407R4, Page 2
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