Zurn 38-740 Installation guide

Zurn
Brand
Zurn
Model
38-740
Type
Installation guide

Zurn 38-740 is a Carbonated Beverage Backflow Preventer designed to prevent Carbon dioxide (CO2) gas or carbonated water from coming into contact with copper potable water supply lines. It can be installed in both horizontal and vertical positions, making it suitable for a variety of applications. The device features a vent discharge line that should be connected to a safe place of disposal with adequate ventilation. It is important to inspect the device periodically for any discharge from the vent port, which could indicate the need for maintenance or repair.

Zurn 38-740 is a Carbonated Beverage Backflow Preventer designed to prevent Carbon dioxide (CO2) gas or carbonated water from coming into contact with copper potable water supply lines. It can be installed in both horizontal and vertical positions, making it suitable for a variety of applications. The device features a vent discharge line that should be connected to a safe place of disposal with adequate ventilation. It is important to inspect the device periodically for any discharge from the vent port, which could indicate the need for maintenance or repair.

Installation Maintenance Instructions
INSTALLATION INSTRUCTIONS
CAUTION: Installation of Model 740 must be performed by qualied, licensed personnel. Faulty instal-
lation could result in an improperly functioning device.
The installer should be sure the proper device has been selected for the particular installation.
ZURN WILKINS Model 740 Carbonated Beverage Backow Preventer is designed for installation on
carbonated beverage dispensing systems, as well as non-carbonated systems, to prevent Carbon
dioxide (CO
2
) gas or carbonated water from coming in contact with copper potable water supply line.
Proper performance depends upon following these installation instructions and prevailing governmental
and industry standards and codes. Failure to do so releases ZURN WILKINS of any liability that it
might otherwise have with respect to that device.
1. Prior to Installation of the ZURN WILKINS Model 740 Carbonated Beverage Backow Preventer,
pipe lines should be ushed thoroughly to remove all sediment, pipe scale and other foreign
material.
2. The Model 740 can be installed in a horizontal position or vertical, in an accessible location to
facilitate servicing. The valve should not be installed where discharge could cause damage to
nearby equipment or property.
3. Install the valve with the arrow on the valve body pointing in the direction of the ow.
4. Connect a vent discharge line to the vent outlet and direct to a safe place of disposal with adequate
ventilation per local and governmental codes.
5. CAUTION: Under certain backow conditions, the Model 740 will discharge water from
the vent port. The vent port should never be directly piped into a drainage ditch, sewer or
pump. Under no circumstances should the vent port or drain line be plugged.
6. It is important that the Model 740 be inspected periodically for any discharge from the vent port
which will provide a visual indication of the need for maintenance or repair of the valve.
7. Copper tubing shall not be used downstream of the Model 740.
Model 740 LEAD-FREE*
Carbonated Beverage Backow Preventer (3/8”)
Standard: ASSE ® 1022
Carbonated Beverage System
Non-Carbonated Beverage System
WARRANTY: ZURN WILKINS Valves are guaranteed against defects of material or workmanship
when used for the services recommended. If in any recommended service, a defect develops due
to material or workmanship, and the device is returned, freight prepaid, to ZURN WILKINS within
12 months from date of purchase, it will be repaired or replaced free of charge. ZURN WILKINS'
liability shall be limited to our agreement to repair or replace the valve only
.
IS740 (REV. 4/13)
*This product contains a weighted average lead content less than 0.25% for wetted surfaces.
2
CO
GAS
MODEL 740
BACKFLOW PREVENTER
WATER
SUPPLY
PUMP
SAFE DRAIN
CARBONATED
BEVERAGE
DISPENSER
CARBONATOR
FILTER
WATER
SUPPLY
MODEL 740
BACKFLOW PREVENTER
BEVERAGE
DISPENSER
SAFE DRAIN
ZURN WILKINS
1747 Commerce Way, Paso Robles, CA 93446 Phone:855-663-9876 Fax:805-238-5766
Installation Maintenance Instructions
INSTALLATION INSTRUCTIONS
CAUTION: Installation of Model 740 must be performed by qualied, licensed personnel. Faulty instal-
lation could result in an improperly functioning device.
The installer should be sure the proper device has been selected for the particular installation.
ZURN WILKINS Model 740 Carbonated Beverage Backow Preventer is designed for installation on
carbonated beverage dispensing systems, as well as non-carbonated systems, to prevent Carbon
dioxide (CO
2
) gas or carbonated water from coming in contact with copper potable water supply line.
Proper performance depends upon following these installation instructions and prevailing governmental
and industry standards and codes. Failure to do so releases ZURN WILKINS of any liability that it
might otherwise have with respect to that device.
1. Prior to Installation of the ZURN WILKINS Model 740 Carbonated Beverage Backow Preventer,
pipe lines should be ushed thoroughly to remove all sediment, pipe scale and other foreign
material.
2. The Model 740 can be installed in a horizontal position or vertical, in an accessible location to
facilitate servicing. The valve should not be installed where discharge could cause damage to
nearby equipment or property.
3. Install the valve with the arrow on the valve body pointing in the direction of the ow.
4. Connect a vent discharge line to the vent outlet and direct to a safe place of disposal with adequate
ventilation per local and governmental codes.
5. CAUTION: Under certain backow conditions, the Model 740 will discharge water from
the vent port. The vent port should never be directly piped into a drainage ditch, sewer or
pump. Under no circumstances should the vent port or drain line be plugged.
6. It is important that the Model 740 be inspected periodically for any discharge from the vent port
which will provide a visual indication of the need for maintenance or repair of the valve.
7. Copper tubing shall not be used downstream of the Model 740.
Model 740 LEAD-FREE*
Carbonated Beverage Backow Preventer (3/8”)
Standard: ASSE ® 1022
Carbonated Beverage System
Non-Carbonated Beverage System
WARRANTY: ZURN WILKINS Valves are guaranteed against defects of material or workmanship
when used for the services recommended. If in any recommended service, a defect develops due
to material or workmanship, and the device is returned, freight prepaid, to ZURN WILKINS within
12 months from date of purchase, it will be repaired or replaced free of charge. ZURN WILKINS'
liability shall be limited to our agreement to repair or replace the valve only
.
IS740 (REV. 4/13)
*This product contains a weighted average lead content less than 0.25% for wetted surfaces.
2
CO
GAS
MODEL 740
BACKFLOW PREVENTER
WATER
SUPPLY
PUMP
SAFE DRAIN
CARBONATED
BEVERAGE
DISPENSER
CARBONATOR
FILTER
WATER
SUPPLY
MODEL 740
BACKFLOW PREVENTER
BEVERAGE
DISPENSER
SAFE DRAIN
ZURN WILKINS
1747 Commerce Way, Paso Robles, CA 93446 Phone:855-663-9876 Fax:805-238-5766
®
www.zurn.com
®
www.zurn.com
  • Page 1 1

Zurn 38-740 Installation guide

Zurn
Brand
Zurn
Model
38-740
Type
Installation guide

Zurn 38-740 is a Carbonated Beverage Backflow Preventer designed to prevent Carbon dioxide (CO2) gas or carbonated water from coming into contact with copper potable water supply lines. It can be installed in both horizontal and vertical positions, making it suitable for a variety of applications. The device features a vent discharge line that should be connected to a safe place of disposal with adequate ventilation. It is important to inspect the device periodically for any discharge from the vent port, which could indicate the need for maintenance or repair.

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