Catalog No.: 6000.37 Effective: 9-15-08 Replaces: NEW
XTherm – Type WHP
Models 1005-2005 Model
Model
MBTUH
Dimensions (in.) Amp Draw**
Ship
Weight
(WHP-) B D E F G* K L M N P R Y
Heater w/
Pump (Lbs.)
Input Output Height
NPT Flue Ø C/A Ø Pump
1005 999 969 55-1/8 45 47-1/8 36-1/2 1-1/4 6 40-1/16 11-1/2 6 47-1/8 8-1/16 6-1/16 22 1/2 – 7 1065
1505 1500 11455 67-1/8 57 59-1/16 38-1/2 1-1/4 8 52-1/16 12-5/8 8 59-1/8 8-3/16 6-1/16 26 3/4 -11 1234
2005 1999 1939 81-1/8 71 71-3/16 38-1/2 2 8 64-1/16 12-5/8 8 73-1/8 8-3/16 6-1/4 35 1 - 14 1461
Note: Ratings shown are for elevations up to 4,500 feet. For installations at elevations
above 4,500 feet, please consult the factory for additional instructions.
* For Propane Gas, all models are 1”
** Supply breaker must have delayed trip.
RATES OF FLOW (GPM)
Maximum Flow Minimum Flow
Model
(WHP-)
GPM
∆T (°F)
GPM
∆T (°F)
1005 113 17 47 40
1505 113 25 71 40
2005 116 33 95 40
CLEARANCES (in.)
Front Rear Right Left Top Floor Vent
Certified Minimum 24 12 1 1 0 0 1
Recomm. Service 24 36 24 1 10 n/a n/a
NOTE: Primary/Secondary plumbing
is mandatory for proper operation.
