
Item # _____________________________________
Quantity ___________________________________
C.S.I. Section 11400
HPW1S SERIES
701 S Ridge Avenue, Troy, OH 45374
1-888-4HOBART • www.hobartcorp.com
STANDARD FEATURES
■ Eye-level digital control panel mounted for easy
access
- Set proong temp/humidity system
- Four individual rack timers
■ Easy access proong system
- Internally mounted
- Energy efcient
- No ushing required
■ Patented air ow system
■ Modular panel construction
■ Cam lock attachment
■ Stainless steel interior and exterior
■ Field reversible loading door
■ No ramp required
SINGLE WIDE PROOF BOX
MODEL CONFIGURATIONS
❑ 40.5" Deep Cabinet One Door – (may be
shipped assembled) One Single End or Two
Single Side Load Rack or One Double Rack
❑ 60.5" Deep Cabinet One Door – Two Single
End or Three Single Side Load Racks or One
Double Rack
❑ 80.5" Deep Cabinet One Door – Three Single
End or Four Single Side Load Racks or Two
Double Racks
❑ 100.5" Deep Cabinet One Door – Four Single
End or Five Single Side Load Racks or Two
Double Racks
❑ 120.5" Deep Cabinet One Door – Five Single
End or Six Single Side Load Racks or Three
Double Racks
Specications, Details and Dimensions on Inside and Back.
HPW1S SERIES SINGLE WIDE PROOF BOX
OPTIONS
❑ Stainless steel oor
❑ Pass thru
ACCESSORIES
❑ Side trim
❑ One side
❑ Both sides
❑ Interior light
F-40139 – HPW1S Series Single Wide Proof Box Page 1 of 4

HPW1S SERIES
40.5" Deep Cabinet
Plan View
60.5" Deep Cabinet
Plan View
80.5" Deep Cabinet
Plan View
SINGLE WIDE PROOF BOX
HPW1S Series
Front View
40.5" Deep Cabinet
Side View
701 S Ridge Avenue, Troy, OH 45374
1-888-4HOBART • www.hobartcorp.com
60.5" Deep Cabinet
Side View
80.5" Deep Cabinet
Side View
1 Water Supply 85" AFF 2 Electrical Supply 85" AFF 3 Drain 5" AFF Front or Rear
Page 2 of 4 F-40139 – HPW1S Series Single Wide Proof Box
*Door may be right or left hinged

HPW1S SERIES
100.5" Deep Cabinet
Plan View
120.5" Deep Cabinet
Plan View
701 S Ridge Avenue, Troy, OH 45374
1-888-4HOBART • www.hobartcorp.com
100.5" Deep Cabinet
Side View
SINGLE WIDE PROOF BOX
1 Water Supply 85" AFF 2 Electrical Supply 85" AFF 3 Drain 5" AFF Front or Rear
F-40139 – HPW1S Series Single Wide Proof Box Page 3 of 4
120.5" Deep Cabinet
Side View
*Door may be right or left hinged

HPW1S SERIES
SINGLE WIDE PROOF BOX
SPECIFICATIONS
GENERAL:
1. Water – 1⁄2" FNPT. Cold water @ 30-80 psi. Water
supply must have the proper hardness, pH and
chloride concentration. The recommended water
hardness range is 2-4 grains per gallon. The recommended pH range is 7.0 to 8.0. The acceptable range
for chloride concentration is 0-30 ppm. Consult your
local Hobart service ofce, water company and/or
water conditioner dealer before installation.
2. Power – See chart below for specic power requirements. Neutral wire circuitry needed to provide
110-120V for control components. A separate line
may be run or a transformer will be required if
110-120V is not available. Consult factory for
110-120V requirements.
3. Drain – 1⁄2" FNPT. Route to air-gap drain.
CONSTRUCTION: Stainless steel interior and exterior
is standard. The interior perimeter is supplied with
bumpers on all sides to protect the nish.
701 S Ridge Avenue, Troy, OH 45374
1-888-4HOBART • www.hobartcorp.com
CONTROLS: Eye-level digital controls for precise heat
and humidity control. Temperature and humidity can be
set independently. Four individual count-down timers for
products with different time requirements.
CAPACITY: Door opening will accommodate 74" high
racks.
HUMIDIFIER: Internally mounted, easy servicing. No
ush cleaning required. Low maintenance spray ash
system.
INSULATION: The proofer cabinet is rigid and formed of
stainless steel panels with polyurethane foam insulation
and sealed with gaskets to form a strong, energy
efcient, tight and sanitary enclosure.
HARDWARE AND FITTINGS: Heavy-duty, plasticcoated door handle positioned horizontally. Positive
action door closure.
FREIGHT CLASS: 85
For proper installation, oor should be level within
1
⁄8" per foot not to exceed 3⁄4".
DETAILS AND DIMENSIONS
PHYSICAL DATA 40.5" DEEP CABINET 60.5" DEEP CABINET 80.5" DEEP CABINET
Interior Dimensions 74.5" H x 37.75" D x 32.6" W 74.5" H x 57.75" D x 32.6" W 74.5" H x 77.75" D x 32.6" W
Exterior Dimensions 99.5" H x 43.25" D x 42" W 99.5" H x 63.25" D x 42" W 99.5" H x 83.25" D x 42" W
Rack Capacity
Net Door Opening Height 74.5" STD 74.5" STD 74.5" STD
Net Door Opening Width 31" 31" 31"
Number of Doors 1 1 1
Power Input (w/neutral)
PHYSICAL DATA 100.5" DEEP CABINET 120.5" DEEP CABINET
Interior Dimensions 74.5" H x 97.75" D x 32.6" W
Exterior Dimensions 99.5" H x 103.25" D x 42" W 99.5" H x 123.25" D x 42" W
Rack Capacity
Net Door Opening Height 74.5" STD 74.5" STD
Net Door Opening Width 31" 31"
Number of Doors 1 1
Power Input (w/neutral)
1 single end or 2 single side
or 1 double side load
208-240V/50-60Hz/1
18.4-20.4 A
208-240V/50-60Hz/3
18.4-20.4 A
4 single end or 5 single side
or 2 double side load
208-240V/50-60Hz/1
37.0-42.0 A
208-240V/50-60Hz/3
32.0-37.0 A
2 single end or 3 single side
or 1 double side load
208-240V/50-60Hz/1
18.4-20.4 A
208-240V/50-60Hz/3
18.4-20.4 A
74.5" H x 117.75" D x 32.6" W
5 single end or 6 single side
or 3 double side load
208-240V/50-60Hz/1
37.0-42.0 A
208-240V/50-60Hz/3
32.0-37.0 A
3 single end or 4 single side
or 2 double side load
208-240V/50-60Hz/1
37.0-42.0 A
208-240V/50-60Hz/3
32.0-37.0 A
As continued product improvement is a policy of Hobart, specications are subject to change without notice.
Page 4 of 4 F-40139 – HPW1S Series Single Wide Proof Box
F-40139 (REV. 06/08) LITHO IN U.S.A. (H-01)