Specification

Good Better Best
UNIT OPTIONS COMPARISON
PDP PTP PTC
Available Model Sizes (Btu/hr)
7 sizes from
150,000 to 400,000
7 sizes from
150,000 to 400,000
10 separated
combustion sizes from
55,000 to 310,000
Thermal Efficiency 83% 82% 93%-97%
100% Shut-Off Intermittent Pilot-Ignition
System with Continuous Retry
✓ ✓ ✓
Uses Natural Gas or Propane (Field
Convertible From Natural Gas to Propane)
✓ ✓
✓
Plus external gas
connections
Tubular Heat Exchanger with In-Shot
Burner on Each Exchanger Tube for
Reliable Performance & Ease of Service
–
✓ ✓
Stainless Steel Heat Exchanger
Extends the Life of the Product
–
✓ ✓
Designed to Utilize the Smallest
Diameter Vent Pipe Possible
✓ ✓
–
Permanently-Lubricated Motor
✓ ✓ ✓
10-Year Heat Exchanger Warranty
✓ ✓
Full 10-year warranty on
both heat exchangers
In-Cabinet Controls Protection
–
Power exhauster and
controls mounted inside
the cabinet for protection
from moisture and dust
Sealed compartment
protects the combination
gas valve, ignition control,
manifold and burner
from environment
Contractor Convenience Package
– –
Includes diagnostic LEDs,
disconnect switch and
condensate pump outlet
Energy-Saver Controls
– –
Controls automatically
engage and disengage gas
controls as temperature
increase and decreases