The BOSCH 7738003203 is an indirect water heater with a 31.7-gallon storage volume. Bosch domestic hot water tanks offer easy installation, simple maintenance, and reliable operation. All Thermoglaze models are equipped with a magnesium anode rod for protection against corrosion. It also features adjustable screw-on feet for leveling.
Coated internally with Buderus' Thermoglaze enamel for corrosion protection.
Includes a sacrificial, replaceable anode rod to reduce pipe corrosion.
Features a large port for cleaning the internals of the tank.
Product Highlights
This indirect water heater offers easy maintenance and reliable operation. It is equipped with a magnesium anode rod for protection against corrosion.
Product Information
Standard Information
Brand: BOSCH
Manufacturer Part Number: 7738003203
Technical Specifications
Type
Indirect Water Heater
Product Style
S
Category
Water Heater - Indirect-Fired
Storage Type
Tank
Coils Quantity
1
First Hour
143 Gallons
Continuous Recovery Rate
120 Gallons
Storage Volume
31.7 Gallons
Cold Water Inlet
3/4"
Hot Water Outlet
3/4"
Boiler Supply
3/4"
Boiler Return
3/4"
Product Height
38-5/8"
Product Width
21-3/4"
Product Depth
21-3/4"
MPN
7738003203
Manufacturer Part Number
7738003203
Manufacturer
Bosch
Gallons
32 Gallons
Product Warranty
6 Year Warranty
Weight
160 lbs
Dimensions
21.75 × 21.75 × 38.625 in
Series
S Series
Tank Capacity
32 gal
Domestic/Import
Import
Pressure Rating
150 psi
Material
Steel
Finish
Enamel Painted
Domestic Water Capacity (Gallons)
30.0
Heat Exchanger Type
Single Coil
Domestic Hot Water (DHW) Connection
3/4" NPT
Domestic Cold Water Connection
3/4" NPT
Boiler (Heat Exchanger Coil) Connections
3/4" NPT
Hot Water Recirculation Connection
3/4" NPT
Max DHW Temperature
203°F
Max DHW Operating Pressure
150 psi
Max Boiler Water Temperature
230°F
Max Boiler/Heat Exchanger Coil Side Pressure (psi)
232
Stand-by Heat Loss (°F/hr)
1.0
Continuous Domestic Hot Water Flow (77°F Rise, 180°F Boiler Temp.) (Gallons/hr)