Lochinvar Shield SNA500-125 User Manual
Shield, Water heater product
SNR150-100
SNR200-100
SNA285-125
SNA400-125
SNA500-125
WATER
GALLON CAPACITY
93
93
125
125
125
ASME CERTIFICATION
HLW
HLW
HLW
HLW
HLW
WATER CONNECTIONS
1-1/2"
1-1/2"
2”
2”
2”
DRAIN
3/4”
3/4”
3/4”
3/4”
3/4”
MAX. WORKING PRESSURE (PSI)
150
150
150
150
150
MAX. WATER HARDNESS (GRAINS)
25
25
25
25
25
GPH @ 70°F RISE
249
331
474
663
831
GPH @ 100°F RISE
175
233
332
465
582
GPH @ 140°F RISE
125
165
237
332
416
# OF RELIEF VALVES (Factory Supplied)
1
1
1
1
1
RELIEF VALVE SIZE (CPVC SDR11)
3/4”
3/4”
3/4”
3/4”
3/4”
RELIEF VALVE RATING (MBH)
500
500
500
500
1,912
RELIEF VALVE PRESSURE RATING (PSI)
150
150
150
150
150
RELIEF VALVE TEMPERATURE RATING (°F)
210
210
210
210
210
GAS
INLET CONNECTION
1/2”
1/2”
3/4”
1”
1”
MAX. INLET PRESSURE, NAT
14"
14"
14"
14"
14"
MIN. INLET PRESSURE, NAT
4.0” w.c.
4.0” w.c.
4.0” w.c.
4.0” w.c.
4.0” w.c.
MAX. INLET PRESSURE, LP
14"
14"
14"
14"
14"
MIN. INLET PRESSURE, LP
8.0” w.c.
8.0” w.c.
8.0” w.c.
8.0” w.c.
8.0” w.c.
BTU/HR INPUT
150,000
199,999
285,000
399,999
500,000
ELECTRICAL
VOLTAGE
120
120
120
120
120
VOLTAGE/CONTROL
24
24
24
24
24
TOTAL AMPS
3.0
3.2
4.5
6.5
6.7
# OF ELECTRICAL CONNECTIONS
1
1
1
1
1
DIMENSIONS
HEIGHT
80"
80"
80"
80"
80"
WIDTH
28"
28"
34"
34"
34"
SERVICE CLEARANCES
FRONT
24”
24”
24”
24”
24”
RIGHT SIDE
24”
24”
24”
24”
24”
TOP
18"
18"
18"
18"
18"
VENT
SIZE
3”
3”
4”
4”
4”
MAXIMUM LENGTH
100'
100'
100'
100'
100'
VENT CATEGORY
IV
IV
IV
IV
IV
VENT MATERIAL
PVC
PVC
PVC
PVC
PVC
SW-PS-03
2/09-Printed in U.S.A.
Lochinvar Corporation • 300 Maddox Simpson Pkwy • Lebanon, TN 37090 • 615-889-8900 / Fax: 615-547-1000
www.Lochinvar.com
SHIELD
TM
WATER HEATER PRODUCT
S(N,L)(R,A) 150,000 - 500,000 BTU/HR