Technical Specifications

Ruud Commercial Gas
Medium Duty
2
2
Ruud Water Heating • 101 Bell Road, Montgomery, Alabama 36117-4305 • www.ruud.com
PRINTED IN U.S.A. 07/16 WP FORM NO. RR102C-2MR Rev. 4
In keeping with its policy of continuous progress and product improvement, Ruud reserves the right to make changes without notice.
RECOVERY CAPACITIES
Recovery in U.S. Gallons/Hr. (GPH) at various temperature rises
MODEL NUMBER INPUT (BTU/HR.) 40°F 50°F 60°F 70°F 80°F 90°F 100°F 110°F 120°F 130°F
G50-60N
†
* 60,000 138 111 92 79 69 61 55 50 46 43
G50-54LP* 54,000 124 99 83 71 62 55 50 45 41 38
G75-75N-3
†
* 75,100 182 146 121 104 91 81 73 66 61 56
G75-76LP* 75,100 182 146 121 104 91 81 73 66 61 56
G100-80 80,000 194 155 129 111 97 86 78 71 65 60
G100-80N
†
76,000 184 147 123 105 92 82 74 67 61 57
G100-76LP* 75,100 182 146 121 104 91 81 73 66 61 56
Recovery rating is based on recovery efficiencies obtained in a CSA certified laboratory.
MAXIMUM DELIVERY Delivery in U.S. Gallons. (Includes useable storage and recovery for indicated times)
MODEL GALLON INPUT TEMP. 5 10 15 20 30 45 60 120 180 Min. to Rec.
NUMBER CAPACITY (BTU/HR.) RISE UNITS Min. Min. Min. Min. Min. Min. Min. Min. Min. Contents
G50-60N 48 60,000 100 °F GAL 38 43 48 52 62 76 90 146 202 52
G50-54LP 48 54,000 100 °F GAL 38 42 46 50 59 71 84 134 185 57
G75-75N-3 75 75,100 100 °F GAL 59 65 71 77 89 107 125 198 271 62
G75-76LP 75 75,100 100 °F GAL 59 65 71 77 89 107 125 198 271 62
G100-80 100 80,000 100 °F GAL 77 83 89 96 109 128 148 225 303 77
G100-80N 100 76,000 100 °F GAL 76 82 88 95 107 125 144 217 291 81
G100-76LP 98 75,100 100 °F GAL 76 82 88 94 106 125 142 215 289 82
DIMENSIONAL INFORMATION
CLEARANCE TO APPROX.
MODEL
COMBUSTIBLES
SHIPPING
NUMBER UNITS A B C D E F G SIDE FRONT TOP
WEIGHT
G50-60 inches 61-3/4 58-1/2 21-3/4 14 4 11 51-3/4 0 3 12 150 lbs
G75-75 inches 64 60 26-1/4 13-1/4 4 11 53-1/4 1 3 12 320 lbs.
G100-80 inches 69-5/8 65-3/4 28-1/4 11 4 15 57-13/16 1 Alcove 12 410 lbs.
G100-76 inches 67-7/8 64 27-1/4 14-7/8 4 11 57-3/16 1 3 12 350 lbs.
†
Meets 40ng/J NOx requirements.
*FVIR Compliant
E
G
BA
C
F
D
1/2"
3/4" N.P.T.
RELIEF
VALVE
OPENING
SIDE TAP
S
A
B
HOT & COLD
T & P
C
F
E
D
2"
3/4"
G
1/2" GAS
CONNECTION
G100-80
water connections
are 1" NPT
G50-60, G75-75 & G100-65
Side taps on 48, 75 & 98 gallon models only
G50-60
water connections are 3/4" NPT
G75-75 & G100-65LP
water connections are 1" NPT
Recommended Specifications
Water heater(s) shall be model _________________,
manufactured by Ruud, having gas input of
__________ Btu/h and a recovery rate of _________
GPH at a 100°F temperature rise. Water heater(s)
shall have a storage capacity of _________ gallons.
Water heater(s) shall have the CSA seal of certification
and be factory equipped with an CSA/ASME rated
temperature and pressure relief valve. Tank(s) shall
have a coating of high temperature porcelain enamel
and furnished with a magnesium anode rod rigidly
supported and a brass drain valve. Water heater(s)
shall meet or exceed the energy factor requirements of
ASHRAE. Tanks shall have a working pressure rating
of 150 psi, and shall be completely factory assembled,
including a pressure regulator properly adjusted for
operation on__________ gas. Controls will be arranged
for safety shutoff in event of pilot failure. Complete
unit shall be insulated with rigid polyurethane foam
insulation.