M. Specifications
GARN WHS MODEL
WHS-1000 WHS-1500 WHS-2000 WHS-3200
Manufacturer’s Rated Heat Output Capacity (BTU/HR) :
160,000
177,000
200,000
700,000
Efficiency (LHV) :
86.6%
73.3%
82.0%
85.0%
Energy Stored (120 F To 195 F) (BTU’s) :
649,100
892,300
1,196,900
2,083,000
Firebox Volume (Cu Ft) : Firebox Length (Inch) : Water Capacity (Gallons) :
14.7
17.4
17.4
33.4
32
40
40
50
1,015 2,200
1,420 3,140
1,830 3,570
3,200 7,500
Weight Empty (Lbs) : Weight Full (Lbs) :
10,630
15,000
18,830
34,500
1-1/2″ FPT 1″ MPT
2″ FPT 1-1/2″ MPT
2″ FPT 1-1/2″ MPT
3″ FPT 2-1/2″ MPT
Supply/Return Ports : Auxiliary Ports, 3/4″ :
2 x Front 1 x Back 7"
3 x Front 0 x Back
Combustion Air Inlet (Single Wall):
10"
UL-103HT 6″ ID, Double Wall 1″ Packed Insulation Vertical or Horizontal
UL-103HT 8″ ID, Double Wall 1″ Packed Insulation
Flue Specification : Flue Configuration :
Vertical
Blower Motor Size : Electrical Requirements : Off-Peak Packages : 16.5 kW @ 240 VAC 33.0 kW @ 240 VAC 49.5 kW @ 240 VAC Tank Shell (A36 Mild Steel)
1/2 HP
3/4 HP
115 VAC, 15 AMP
Fittings Standard
Fittings Optional
90 AMP (includes in-rush), 70 AMP Steady State 180 AMP (includes in-rush), 140 AMP Steady State 270 AMP (includes in-rush), 210 AMP Steady State
3/16"
1/4" 3/8"
Front and Back Heads (A36 Mild Steel) Heat Exchanger Tubing (Bare wall pipe) Combustion Chamber (A36 Mild Steel)
3/16"
1/4" Sch 40 A53 Grade B ERW
3/16"
3/16" and 1/4"
1/4"
Skids (A36 Mild Steel)
10 Gauge
3/16"
All Other Components Emissions Output (lbm/mmbtu)
3/16" or 10 Gauge
0.20 3.81
0.14 2.88
0.07 1.69
N/A N/A
Emissions Rate (g/hr)
87 % LHV 81 % HHV 83 % LHV 77 % HHV
73 % LHV 68 % HHV 70 % LHV 65 % HHV
82 % LHV 76 % HHV 79 % LHV 74 % HHV
85 % LHV* 79 % HHV 82 % LHV* 77 % HHV
8-Hour Evg. Efficiency
Annual Efficiency Rating (AFUE Equivalent)
* Field and lab estimates. The WHS-3200 complies with the EPA NSPS per Subpart AAA Section 60.530 Paragraph (C)(3)
GARN WHS 1000 and WHS 2000 Manual © HY-C Company LLC - September 2024
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