Rheem Residential Water Heater Catalog - API of NH

Therm-X-Guard Thermal Expansion Tanks
Eliminates problems associated
with thermal expansion in closed
loop systems.
• 5 year limited tank warranty
• Suitable for water heaters up to
120 gallon capacity and supply
pressure to 80 PSI.
B
B
MODELS: RRT-5, RRT-12
MODEL: RRT-25
Model
Number*
RRT-50
RRT-12
RRT-25
Maximum Operating Conditions
Operating Working
Temperature Pressure (PSIG)
200°F (93°C) 150 (10.5 kg/cm 2 )
200°F (93°C) 150 (10.5 kg/cm 2 )
200°F (93°C) 150 (10.5 kg/cm 2 )
(Vt) Total
Volume
(Gallons)
2.0
4.4
10.3
Diameter
(A)
08"
11"
15 3 ⁄8"
Height
(B)
12 5 ⁄8"
15"
15 1 ⁄4"
System
Connection
3
⁄4" NPTM – BRASS
3
⁄4" NPTM – BRASS
1" NPTF – BRASS
Standard Factory
Pre-charge
40 PSIG (2.8 kg/cm 2 )
40 PSIG (2.8 kg/cm 2 )
40 PSIG (2.8 kg/cm 2 )
Diaphragm
Material
Butyl Rubber
Butyl Rubber
Butyl Rubber
Liner
Material
Polypropylene
Polypropylene
Polypropylene
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