Hayward 150 - Page 5

USE ONLY GENUINE REPLACEMENT PARTS 5
51300004201B
Table1: SPECIFICATIONS
Features:
 120 or 240VAC, 60Hz, 1-phase, 5.5A maximum current
 Forced draft combustion with silicon nitride hot surface ignition
 Cupronickel water tubes standard
 Integral low loss bypass, maximum water flow for all models is 125 GPM
Model
Gas Input
Natural or Propane
Minimum
Water Flow
Thermal
Efficiency
Heater
Width
Heater
Weight
*xxx*
btu/hr
gpm
%
in.
lbs.
150
150,000
20
82.7
19
135
200
199,900
20
83
22
140
250
250,000
25
84
25
165
300
300,000
25
82.7
26
175
350
350,000
30
83
31
195
400
399,900
30
84
34
195
500
500,000
40
83
40
245
250ASME
250,000
25
84
28
195
400ASME
400,000
30
84
36.5
225
500ASME
500,000
40
83
40.5
260
GAS REQUIREMENTS
OPERATING PRESSURES
Natural Gas (inwc)
Propane Gas (inwc)
Gas Manifold Pressure*
1.8 - 2.2
6.8 - 7.0
Gas Inlet Pressure, Minimum
4.5
10.0
Gas Inlet Pressure Maximum
10.5
13.0
GAS ORIFICE DRILL SIZES
#25
#43
GAS ORIFICE DRILL SIZES (500kbtu/hr)
#22
2.3mm
*Pressure range for allowable heating value variation.
Heater Width
22.2
22.2
2.2
2.2
22.2
22.2
22.2
22.2
22.2
2.2
2.2