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Appliance details
3
2 Appliance details
2.1 GWH 1000 P specifications
(Technical data)
Approved in US/Canada
Capacity
GWH 1000 P: 2.6 GPM
Maximum output
GWH 1000 P: 58 400 Btu/hr
Maximum input
GWH 1000 P: 74 900 Btu/hr
Efficiency in %
Recovery efficiency 78%
Min. Output
GWH 1000 P: 23 906 Btu/hr
Gas Requirement
Gas connection (inches) - ½” NPT
Inlet gas pressure under maximum operation*
• Propane: 10.5” - 14” water column
• Natural Gas: 5.7” - 14” water column.
* To measure Gas Pressure, see Measuring Gas
Pressure, chapter 3.8.
Venting
• Natural Draft
• Vent diameter (inches) - 4”
• Minimum height (feet) - 6’ with no elbows
• Vertical termination.
Water
• Hot water connection (inches) - ½” NPT
• Cold water connection (inches) - ½” NPT
• Water valve material: Polymer (PPS) (Polypropylene
Sulfid)
• Minimum water flow: 0.5 gallon/minute (1.9 l/m)
• Minimum recommended water pressure: 13 PSI
(0.9bar)
• Connections:
– Bottom of heater
Dimensions
• Depth (in): 8.66” (220 mm)
• Width (in): 12.20” (310 mm)
• Height (in): 22.83” (580 mm)
• Weight: 26 pounds (12 kg).
Gas types
Natural Gas
LP Gas
Safety devices
• Flame failure device (ionization thermocouple)
• Pressure relief valve (supplied with heater)
• Over heat prevention (temperature limiter).
Water resistant
IP X4.