Frymaster D50GDDHP, CFD50 Installation Manual
Decathlon Series Gas Fryers
Installation & Operation Manual
(D & HD Models)
- D, SCFD, CFD, YHBT#14, HBT#50 Models
- HD, SCFHD Models
- FPD65, FPHD65 Models
NON-CE &
Dean, a member of the Commercial Food Equipment Service Association, recommends using
CFESA Certified Technicians.
24-Hour Service Hotline 1-800-551-8633
PRINTED IN
THE UNITED STATES
OF AMERICA
*8195698*
FEB 2013
Please read all sections of this manual and retain for future reference.
NOTICE
This appliance is intended for professional use only and is to be operated by qualified
personnel only. A Dean Factory Authorized Servicer (FAS) or other qualified professional
should perform installation, maintenance, and repairs. Installation, maintenance, or repairs by
unqualified personnel may void the manufacturer’s warranty. See Chapter 1 of this manual for
definitions of qualified personnel.
NOTICE
This equipment must be installed in accordance with the appropriate national and local codes of
the country and/or region in which the appliance is installed. See NATIONAL CODE
REQUIREMENTS in Chapter 3 of this manual for specifics.
NOTICE
Drawings and photos used in this manual are intended to illustrate operational, cleaning and
technical procedures and may not conform to onsite management operational procedures.
NOTICE TO OWNERS OF UNITS EQUIPPED WITH COMPUTERS
U.S.
This device complies with Part 15 of the FCC rules. Operation is subject to the following two
conditions: 1) This device may not cause harmful interference, and 2) This device must accept
any interference received, including interference that may cause undesired operation. While
this device is a verified Class A device, it has been shown to meet Class B limits.
CANADA
This digital apparatus does not exceed the Class A or B limits for radio noise emissions as set
out by the ICES-003 standard of the Canadian Department of Communications.
Cet appareil numerique n’emet pas de bruits radioelectriques depassany les limites de classe A
et B prescrites dans la norme NMB-003 edictee par le Ministre des Communications du Canada.
DANGER
Improper installation, adjustment, maintenance or service, and unauthorized alterations or
modifications can cause property damage, injury, or death. Read the installation, operating and
service instructions thoroughly before installing or servicing this equipment. Only qualified
service personnel may convert this appliance to use a gas other than that for which it was
originally configured. See Chapter 1 of this manual for definition of qualified service personnel.
NOTICE
The Commonwealth of Massachusetts requires any and all gas products to be installed by a
licensed plumber or pipe fitter.
DANGER
Adequate means must be provided to limit the movement of this appliance without depending
upon the gas line connection. Single fryers equipped with legs must be stabilized by installing
anchor straps. All fryers equipped with casters must be stabilized by installing restraining
chains. If a flexible gas line is used, an additional restraining cable must be connected at all
times when the fryer is in use.
DANGER
The front ledge of the fryer is not a step. Do not stand on the fryer. Serious injury can result
from slips or contact with the hot oil.
DANGER
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any
other appliance.
DANGER
Instructions to be followed in the event the operator smells gas or otherwise detects a gas leak
must be posted in a prominent location. This information can be obtained from the local gas
company or gas supplier.
DANGER
The crumb tray in fryers equipped with a filter system must be emptied into a fireproof container
at the end of frying operations each day. Some food particles can spontaneously combust if left
soaking in certain shortening material. Additional information can be obtained in the filtration
manual included with the system.
WARNING
No structural material on the fryer should be altered or removed to accommodate placement of
the fryer under a hood. Questions? Call the Dean Service Hotline at 1-800-551-8633.
WARNING
Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is present to seal
the joint between the frypot. Banging fry baskets on the strip to dislodge shortening will distort
the strip, adversely affecting its fit. It is designed for a tight fit and should only be removed for
cleaning.
NOTICE
IF, DURING THE WARRANTY PERIOD, THE CUSTOMER USES A PART F OR THIS MANITOWOC
FOOD SERVICE EQUIPMENT OTHER THAN AN UNMODIFIED NEW OR RECY CLED PART
PURCHASED DIRECTLY FROM DEAN, OR ANY OF ITS AUTHORIZED SE RVICERS, AND/OR THE
PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION, THIS WARRANTY
WILL BE VOID. FURTHER, DEAN AND ITS AFFILIATES WILL NOT BE LIABLE FOR ANY
CLAIMS, DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER WHICH ARISE DIRECTLY
OR INDIRECTLY, IN WHOLE OR IN PART, DUE TO THE INSTALLATION OF ANY MODIFIED
PART AND/OR PART RECEIVED FROM AN UNAUTHORIZED SERVI CER.
High Efficiency Decathlon (HD) Series Gas Fryers
Installation & Operation Manual
TABLE OF CONTENTS
1. INTRODUCTION 1-1
1.1 Applicability and Validity 1-1
1.2 After Purchase 1-1
1.3 Ordering Parts 1-1
1.4 Service Information 1-2
1.5 Computer Information 1-2
1.6 Safety Information 1-3
1.7 Service Personnel 1-3
2. IMPORTANT INFORMATION 2-1
Page #
2.1 Receiving and Unpacking Equipment 2-1
2.2 General 2-1
2.3 Product Description 2-2
2.4 Principles of Operation 2-2
2.5 Rating Plate 2-3
2.6 Pre-Installation 2-3
2.7 Air Supply and Ventilation 2-4
2.8 Equipment Installed at High Altitudes 2-5
3. INSTALLATION 3-1
3.1 Installing the Fryer 3-1
3.2 Leveling the Fryer (Fryers equipped with legs only) 3-1
3.3 Installing Casters and Legs 3-2
3.4 Gas Connections 3-3
3.5 Gas Specifications 3-6
3.6 Gas Adjustment 3-7
3.7 Gas Conversion Procedures 3-7
3.8 Electrical Connections 3-9
High Efficiency Decathlon (HD) Series Gas Fryers
Installation & Operation Manual
TABLE OF CONTENTS (CONT.)
Page #
4. FRYER OPERATIONS 4-1
4.1 Initial Start-up 4-1
4.2 Boil-Out Procedure 4-3
4.3 Final Preparation 4-5
5. CONTROLLER OPERATING INSTRUCTIONS 5-1
5.1 Operating Instructions: Electronic Thermostat Controller 5-1
5.2 Electronic Thermostat Controller/Computer with Back-Up Thermostat 5-2
6. FILTRATION 6-1
6.1 General 6-1
6.2 Filter Preparation 6-1
6.3 Daily Filter Operation 6-2
6.4 Operating the Filter 6-2
7. PREVENTATIVE MAINTENANCE 7-1
7.1 Daily 7-1
7.2 Weekly 7-1
7.3 Periodic/Annual 7-2
7.4 Stainless Steel Care 7-2
8. TROUBLESHOOTING 8-1
8.1 Pilot Burner Malfunction 8-1
8.2 Main Burner Malfunctions 8-2
8.3 Electronic Thermostat Calibration 8-3
DECATHLON (D & HD) SERIES GAS FRYERS
CHAPTER 1: INTRODUCTION
1.1 Applicability and Validity
The Dean Decathlon Series gas model family (D and HD models) has been approved by the
European Union (EU) for sale and installation in the following EU countries: AT, BE, KE, KD,
ES, FI, FR, GB, IE, IT, LU, NL, NO, PT and SE.
This manual is applicable to and valid for all Dean Decathlon gas units sold in English-
speaking countries, including those in the European Union. This manual is applicable to and
valid for all Dean High Efficiency Decathlon gas units sold in English-speaking countries,
excluding the European Union. Where conflicts exist between instructions and information in
this manual and local or national codes of the country in which the equipment is installed,
installation and operation shall comply with those codes.
This appliance is only for professional use and shall be used by qualified personnel as defined
in Section 1.7.
1.2 After Purchase
In order to improve service, have the following chart filled in by the Dean Authorized Service
Technician who installed this equipment.
Authorized Service
Technician/FAS
Address
Telephone/Fax
Model Number
Serial Number
Gas Type
1.3 Ordering Parts
Customers may order parts directly from their local factory authorized service center. For this
address and phone number, contact your factory authorized servicer or call the Dean Service Hotline
phone number, 1-800-551-8633.
To speed up your order, provide the model number, serial number, gas type, part needed, item part
number (if known), and quantity needed.
1-1
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 1: INTRODUCTION
1.4 Service Information
Call the Dean Service Hotline, 1-800-551-8633, for the location of your nearest factory authorized
service center. To assist you more efficiently, always provide the service technician with the model
number, gas type, serial number, and the nature of the problem.
1.5 Computer Information
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC rules. While this device is a verified Class A device, it has been
shown to meet the Class B limits. These limits are designed to provide reasonable protection against
harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and may cause harmful interference to radio
communications if not installed and used in accordance with the instruction manual. Operation of
the equipment in a residential area is likely to cause harmful interference in which case the user will
be required to correct the interference at his/her own expense.
The user is cautioned that any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate the equipment.
If necessary, the user should consult the dealer or an experienced radio and television technician for
additional suggestions.
The user may find the following booklet prepared by the Federal Communications Commission
helpful: "How to Identify and Resolve Radio-TV Interference Problems". This booklet is available
from the U.S. Government Printing Office, Washington, DC 20402, Stock No. 004-000-00345-4.
1.6 Safety Information
Before attempting to operate your unit, read the instructions in this manual thoroughly.
Throughout this manual, you will find notations enclosed in double-bordered boxes similar to the
ones below.
CAUTION
CAUTION boxes contain information about actions or conditions that may cause or result in a
malfunction of your system.
WARNING
WARNING boxes contain information about actions or conditions that may cause or result in
damage to your system, and which may cause your system to malfunction.
DANGER
DANGER boxes contain information about actions or conditions that may cause or result in injury
to personnel, and which may cause damage to your system and/or cause your system to malfunction.
1-2
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 1: INTRODUCTION
1.7 Service Personnel
A. Qualified and/or Authorized Operating Personnel
1. Qualified/authorized operating personnel are those who have carefully read the information
in this manual and have familiarized themselves with the equipment functions, or have had
previous experience with the operation of equipment covered in this manual.
B. Qualified Installation Personnel
1. Qualified installation personnel are individuals, firms, corporations, and/or companies, that,
either in person or through a representative, are engaged in and responsible for the
installation of gas-fired appliances. Qualified personnel must be experienced in such work,
be familiar with all gas precautions involved, and have complied with all requirements of
applicable national and local codes.
C. Qualified Service Personnel
1. Qualified service personnel are those who are familiar with Dean equipment and have been
authorized by Dean to perform service on Dean equipment. All authorized service
personnel are required to be equipped with a complete set of service parts manuals and stock
a minimum amount of parts for Dean equipment. A list of Dean Factory Authorized
Servicers (FASs) is located online at www.frymaster.com .
2. Failure to use qualified service personnel will void the Dean warranty on your equipment.
1-3
DECATHLON (D & HD) SERIES GAS FRYERS
CHAPTER 2: IMPORTANT INFORMATION
2.1 Receiving and Unpacking Equipment
A. Check that the container is upright. Use an outward prying motion - no hammering - to
remove the carton. Unpack the fryer carefully and remove all accessories from the carton.
Do not discard or misplace these, as they will be needed.
B. After unpacking, immediately check the equipment for visible signs of shipping damage. If
damage has occurred, contact the carrier and file the appropriate freight claims. Do not
contact the factory. Shipping damage responsibility is between the carrier and the dealer.
If your equipment arrives damaged:
1. File claim for damages immediately, regardless of extent of damage.
2. Visible loss or damage: Be sure this is noted on the freight bill or express receipt and is
signed by the person making the delivery.
3. Concealed loss or damage: If damage is unnoticed until equipment is unpacked, notify
freight company or carrier immediately, and file a concealed damage claim. This should
be done within 15 days of date of delivery. Be sure to retain container and all packing
materials for inspection.
2.2 General
NOTE: Dean Does Not Assume Responsibility for Damage or Loss Incurred in Transit.
C. Frying systems with built-in filtration: Take off the filter support brace and remove the
filter pan from the cabinet.
D. Decathlon four-battery systems: Casters are pre-installed on the frying system and the
carton is furnished with three unloading ramps. Remove the braces from the front casters by
taking out the securing bolts. Carefully roll the unit down the ramps from the front (cooking
side).
E. Remove all plastic skin from sides, front, and doors of the fryer(s). Failure to do this prior to
initial fryer operation will make it very difficult to remove later.
Qualified, licensed, and/or authorized installation or service personnel only (as defined in
Section 1.6) should perform the following:
Installation and service on Dean equipment.
Conversion of this appliance from one gas type to another.
Failure to use qualified, licensed, and/or authorized installation or service personnel to install,
convert to another gas type or otherwise service this equipment will void the Dean warranty
and may result in damage to the equipment or injury to personnel.
2-1
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 2: IMPORTANT INFORMATION
2.2 General (cont.)
Where conflicts exist between instructions and information in this manual and local code or
national codes, or regulations, installation and operation shall comply with the codes or
regulations in force in the country in which the equipment is installed.
DANGER
Building codes prohibit a fryer with its open tank of hot oil/shortening from being
installed beside an open flame of any type, including those of broilers and ranges.
Upon arrival, inspect the fryer carefully for visible or concealed damage. (See Receiving and
Unpacking Equipment in Section 2.1.)
CAUTION
Dean appliances equipped with legs are for stationary installations. Appliances
fitted with legs must be lifted during movement to avoid damage to the appliance
and bodily injury. For moveable installations, optional equipment casters must be
used. Questions? Call 1-800-551-8633.
2.3 Product Description
Decathlon Series gas fryers are energy efficient, tube-style, gas-fired units. All units are shipped
completely assembled with accessories packed inside the frypot. All units are adjusted, tested and
inspected at the factory before shipment. Sizes, weights and input rates of all models are listed in
this manual.
WARNING
The on-site supervisor is responsible for ensuring that operators are made aware of
the inherent hazards of operating a hot oil frying system, particularly the aspects of
system operation, oil filtration, draining and cleaning procedures.
2.4 Principles of Operation
The incoming gas flows through orifices and is mixed with air in the burners to create the correct
ratio for proper combustion. The mixture is ignited at the front end of each heat tube by the pilot
light. Internal diffusers slow the flame as it goes through the burner tube. This slow, turbulent flame
increases heat transfer to the walls of the tubes to heat the oil more efficiently.
2-2
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 2: IMPORTANT INFORMATION
2.5 Rating Plate
This is attached to the inside front door panel. Information provided includes the model and serial
number of the fryer, BTU/hr input of the burners, outlet gas pressure in inches W.C. and whether the
unit has natural or propane gas orifices.
DANGER
Fryers MUST be connected ONLY to the gas type identified on the attached rating
plate.
2.6 Pre-installation
DANGER
No structural material on the fryer should be altered or removed to accommodate
placement of the fryer under a hood. Questions? Call the Dean Service Hotline at 1-
800-551-8633.
DANGER
Do not connect this appliance to the gas supply before reviewing all information in
this chapter.
A. General: Only licensed personnel should install any gas-fired equipment.
1. A manual gas shut-off valve must be installed in the gas supply line ahead of the fryers for
safety and ease of future service.
2. Decathlon Series gas fryers require 120VAC 60 cycle or 230VAC single-phase 50 Hz
(International) electrical service and are equipped with a 16-3 SJT grounded flexible power
cord for a direct connection to the power supply. Amperage draw for each unit depends on
the accessories supplied with the unit/system.
B. Clearances: The fryer area must be kept free and clear of all combustibles. This unit is design-
certified for the following installations:
1. Commercial installation only (not for household use).
2. Non-combustible floor installation equipped with factory-supplied 6 in. (15 cm) adjustable
legs or 5 in. (13 cm) casters;
3. Combustible construction with a minimum clearance of 6 in. (15 cm) side and 6 in. (15 cm)
rear, and equipped with factory-supplied 6 in. (15 cm) adjustable legs or 5 in. (13 cm)
casters.
2-3
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 2: IMPORTANT INFORMATION
2.6 Pre-installation (cont.)
C. Installation Standards
1. U.S. installations must meet: 2. Canadian installations must meet:
American National Standard Institute CAN 1-B149 Installation Codes
ANSI Z83.11 Canadian Gas Association
American Gas Association 55 Scarsdale Road
8501 E. Pleasant Valley Road Don Mills, ONT, M3B 2R3
Cleveland, OH 44131
National Electrical Code Canadian Electric Code c22.1, part 1
ANSI/NFPA #70 Canadian Standards Association
American National Standard Institute 178 Rexdale Blvd.
1430 Broadway Rexdale, ONT, M9W 1R3
New York, NY 10018
NFPA Standards #96 and #211
National Fire Protection Association
470 Atlantic Avenue
Boston, MA 02110
3. CE/Export Standards: Fryer installation must conform with local codes, or, in the
absence of local codes, to the appropriate national or European Community (CE)
standards.
2.7 Air Supply and Ventilation
DANGER
This appliance must be installed with sufficient ventilation to prevent the occurrence
of unacceptable concentrations of substances harmful to the health of personnel in
the room in which it is installed.
Keep the area around the fryer clear to prevent obstruction of combustion and ventilation airflow as
well as for service and maintenance.
A. Do not connect this fryer to an exhaust duct.
B. Correct installation and adjustment will ensure adequate airflow to the fryer system.
C. A commercial, heavy-duty fryer must vent its combustion wastes to the outside of the building.
A deep-fat fryer must be installed under a powered exhaust hood, or an exhaust fan must be
provided in the wall above the unit, as exhaust gas temperatures are approximately 800-1000°F
(427-538°C). Check air movement during installation. Strong exhaust fans in the exhaust
hood or in the overall air conditioning system can produce slight air drafts in the room.
2-4
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 2: IMPORTANT INFORMATION
2.7 Air Supply and Ventilation (cont.)
D. Do not place the fryer’s flue outlet directly into the plenum of the hood, as it will affect the
gas combustion of the fryer.
E. Never
use the interior of the fryer cabinet for storage or store items on shelving over or
behind the fryer. Exhaust temperatures can exceed 800°F (427°C) and may damage or melt
items stored in or near the fryer.
F. Adequate distance must be maintained from the flue outlet of the fryer(s) to the lower edge
of the filter bank. Per NFPA Standards No. 96, a minimum of 18 in. (45 cm) should be
maintained between the flue(s) and the lower edge of the exhaust hood filter.
G. Filters and drip troughs should be part of any industrial hood, but consult local codes before
constructing and installing any hood. The duct system, the exhaust hood and the filter bank
must be cleaned on a regular basis and kept free of grease.
2.8 Equipment Installed at High Altitudes
A. The fryer input rating (BTU/hr) is for elevations up to 2,000 ft (610 m). For elevations
above 2,000 ft (610m), the rating should be reduced four percent for each additional 1,000 ft
(305m) above sea level.
B. The correct orifices are installed at the factory if operating altitude is known at time of the
customer’s order.
2-5
DECATHLON (D & HD) SERIES GAS FRYERS
CHAPTER 3: INSTALLATION
3.1 Installing the Fryer
A. Initial Installation: If the fryer is installed with legs, do not push the fryer to adjust its
position. Use a pallet or lift jack to lift the fryer slightly, and then place the fryer where it
is to be installed.
B. Relocating the fryer
installed. Do not slide the fryer on the legs.
C. If a leg becomes damaged, contact your service agent for immediate repair/replacement.
: Remove all weight from each leg before moving a fryer with legs
3.2 Leveling the Fryer (Fryers equipped with legs only)
A. All Installations: If the floor is uneven or has a definite slope, place the fryer on a level
platform.
B. Place a carpenter's spirit level across the top of the fryer and level the unit both front-to-
back and side-to-side. If it is not level, the unit may not function efficiently, the oil may
not drain properly for filtering and in a line-up it may not match adjacent units.
C. Adjust to the high corner and measure with the spirit level. If floor is uneven, level the
unit with the screw adjustments on each leg (ensure minimum clearances as discussed
in Chapter 2 are maintained during the leveling procedure).
D. Re-leveling: If the fryer is moved, re-level the fryer following the above instructions.
E. The install must be reviewed at the time of installation to ensure it meets the intent of
these instructions.
CAUTION
Fryers must be at room temperature, empty of oil, and if fitted with legs, lifted during
movement to avoid damage and possible bodily injury.
DANGER
Hot shortening can cause severe burns. Avoid contact. Under all circumstances, oil
must be removed from the fryer before attempting to move it to avoid oil spills, and
the falls and severe burns that could occur. This fryer may tip and cause personal
injury if not secured in a stationary position.
3-1
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 3: INSTALLATION
3.3 Installing Casters and Legs
A. Install casters and/or legs near where the fryer is to be used, as neither is secure for long
transit. Decathlon Series gas fryers cannot be curb-mounted and must be equipped with
either legs or casters provided.
B. After unpacking, use a pallet or lift jack to raise the unit before installing the casters.
C. Align the caster or leg base holes with the leg support assembly and insert bolt. Install
the washers and nut hand tight, and repeat for all four holes in caster/leg base assembly.
D. Tighten the caster/leg against the leg support assembly by using appropriate tools.
Ensure that all four bolts are evenly tightened. Tighten the bolts to 50 inch-lbs. (5.65 Nm)
torque.
E. For fryer with casters, there are no built-in leveling devices. The floor where the
fryers are installed must be level.
Front View
1/4-20 x 3/4 Hex Bolt
Rear Side View
Optional Caster-
Rear Only
Optional Caster-
Front Only
Front Channel or
Front Channel
or Rear Channel
Front or Rear Leg with
Mounting Plate
Adjust as needed
Rear Channel
Leg Support Assembly
Washer
1/4-20 Hex Head Locknut
1/4-20 x 3/4 Hex Bolt
Rear Caster—5" Rigid
Front Caster—5" Swivel
w/Brake
Caster/Leg Installation and Adjustment
WARNING
Dean fryers equipped with legs are for permanent installations. Fryers fitted with
legs must be lifted during movement to avoid damage and possible bodily injury. For
a moveable or portable installation, Dean optional equipment casters must be used.
Questions? Call 1-800-551-8633.
3-2
HIGH EFFICIENCY DECATHLON (HD) SERIES GAS FRYERS
CHAPTER 3: INSTALLATION
3.4 Gas Connections
DANGER
Before connecting new pipe to this appliance the pipe must be blown out thoroughly
to remove all foreign material. Foreign material in the burner and gas controls will
cause improper and dangerous operation.
U.S. NATIONAL CODE REQUIREMENTS
This equipment is to be installed in compliance with the Basic Plumbing Code of the Building
Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation
Manual of the U.S. Food and Drug Administration.
This equipment is manufactured to use the type of gas specified on the rating plate attached to the
door. Connect equipment stamped "NAT" only to natural gas and that stamped "PRO" only to LP
(Propane) gas.
Installation shall be made with a gas connector that complies with national and local codes.
Quick disconnect devices, if used, shall likewise comply with national and local codes.
DANGER
The fryer MUST be connected to the gas supply specified on the rating and serial number
plate located on the back of the fryer door.
DANGER
If gas odors are detected, the gas supply MUST be shut off at the main shut-off valve. The
local gas company or FASC should be contacted immediately to rectify the problem.
The gas supply (service) line must be the same size or greater than the fryer inlet line. This fryer is
equipped with a ¾" (22 mm) male inlet. The gas supply line must be sized to accommodate all the
gas-fired equipment that may be connected to that gas supply. Consult your contractor, gas
company, supplier, or other knowledgeable authorities.
Recommended Gas Supply Line Sizes
Gas Types Number of Fryers
Natural Gas
Propane (LP) Gas ½" (15 mm)
(*) When exceeding 18 feet for a configuration of more than four fryers, it is necessary to provide
a 1¼" (35 mm) rigid gas connection.
1 2 to 3 4 or more (*)
¾" (22 mm)
1" (28 mm) 1¼" (35 mm)
¾" (22 mm)
1" (28 mm)
3-3
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