Bosch Appliances 125HX NG Water Heater User Manual


 
Replacement Parts available from North American
Distributor
CONTROLLED ENERGY CORP.
340 Mad River Park
Waitsfield, Vermont 05673
Phone 800-642-3111
Fax (802) 496-6924
www.controlledenergy.com
techsupport@controlledenergy.com
VULCANO Termodomésticos S.A.
Estrada de Cacia
3801 - 856 Aveiro - PORTUGAL
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INSTALLATION CHECKLIST
GAS LINE SIZE
Natural Gas
Nominal Iron Pipe Size* 1/2" 3/4" 1"
MAXIMUM LENGTH
10' 40' 150'
Liquid Propane
Semi-rigid Tubing 1/2" 5/8" 3/4" 7/8"
MAXIMUM LENGTH
NOT
RECOMMENDED
20' 60' 150'
* Flex tubing greatly reduces capacity and, therefore, is not recommended.
Minimum Vent Size* and Height
Minimum Diameter Minimum Height**
5 inches 6 feet
* NOTE
:
Vent size must not be restricted. Installation must comply with national fuel gas code venting requirements
for a 117,000 Btu Category I appliance and any applicable local codes.
Water Pressure
For installation on well systems, insure that the minimum pressure tank setting is between 30-50 psi.
** NOTE: Minimum vent height must be 6 feet, provided there are no elbows. Termination of the vent must be 2
feet above any obstructionwithin a 10 foot radius of vent pipe. Consult your gas utility or National Gas Fuel Code
i
f vent will have elbows or share venting with another appliance. The vent connector should have as much vertical
rise as possible (minimum 12") before any horizontal run.