7
General Information
Specifications
The following table shows the specifications for the water heater. Additional specifications about water, gas, electric, and air supplies (venting)
appear in each installation section.
item VRP-150 VRS-150 VRP-199 VRS-199
Heat Capacity (Input)
Natural Gas 19,900–150,000 BTU/H 19,900–199,000 BTU/H
Propane Gas 19,900–150,000 BTU/H 19,900–199,000 BTU/H
Energy Factor
Natural Gas 0.95 0.95 0.95 0.95
Propane Gas 0.95 0.95 0.95 0.95
Flow Rate (DHW)
35°F (19°C)
Temp Rise
8.4 GPM (32 LPM) 11.2 GPM (42 LPM)
45°F (25°C)
Temp Rise
6.5 GPM (25 LPM) 8.7 GPM (33 LPM)
77°F (43°C)
Temp Rise
3.8 GPM (14 LPM) 5.1 GPM (19 LPM)
Dimensions (W x D x H) 18.1“ x 11.6” x 27.6“ (460 mm x 295 mm x 700 mm)
Weight
75 lbs
(34 kg)
67 lbs
(30 kg)
75 lbs
(34 kg)
67 lbs
(30 kg)
Installation Type Indoor wall-hung
Venting Type Forced draft direct vent
Ignition Electronic ignition
Water Pressure 15–150 psi
Natural Gas Supply Pressure 3.5"–10.5" WC
Propane Gas Supply Pressure 8"–13" WC
Natural Gas Manifold Pressure (Min. – Max.) 0.01“ WC – -0.35” WC 0.01“ WC – -0.59” WC
High Altitude Manifold pressure 0.01“ WC – -0.30” WC 0.01“ WC – -0.55” WC
Propane Gas Manifold Pressure (Min. – Max.) 0.01“ WC – -0.30” WC 0.01“ WC – -0.56” WC
High Altitude Manifold pressure 0.01“ WC – -0.26” WC 0.01“ WC – -0.50” WC
Minimum Flow Rate 0.1 GPM (0.4 LPM) for VRP models / 0.5 GPM (1.9 LPM) for VRS models
Connection Sizes
Cold Water Inlet 3/4" NPT
Hot Water Outlet 3/4" NPT
Recirculation Water Inlet 3/4" NPT (Only VRP models)
Gas Inlet 3/4" NPT
Power Supply Main Supply 120V AC, 60 Hz / use less than 5 AMP
Materials
Primary Heat Exchanger
Stainless steel
Secondary Heat Exchanger
Venting
Exhaust
2" or 3" PVC, CPVC, Polypropylene
2" or 3" Special gas vent type BH (Class II, A/B/C)
Intake
2" or 3" PVC, CPVC, Polypropylene
2" or 3" Special gas vent type BH (Class II, A/B/C)
Vent Clearances 0" to combustibles
Safety Devices Flame rod, APS, Over heat preventer, Exhaust temperature high limit sensor, Power surge fuse
Power Consumption 135 W 75 W 165 W 105 W
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