T-KD20 uses a "Direct Vent System". With a three-inch round combustible air intake vent and four-inch round exhaust power vent, FLASH T-KD20 is designed to work when indoor combustion air is not available - making it the perfect system for climate -controlled environments such as colder areas.

Specifications

• Natural Gas Input (max) - 185,000 Btu
• Natural Gas Input (min) - 20,000 Btu
• Liquid Propane Input (max) - 175,000 Btu
• Liquid Propane Input (min) - 19,000 Btu
• Gas Connection - 3/4" NPT
• Water Connection - 3/4" NPT
• Dimensions - 24.5" x 16.5" x 8.3"
• Ignition - Electronic
• Electrical Supply - AC 120 V

Appriximate Flow Rate @ Given Temp Rise

• 6.9 GPM @ 40° Rise
• 5.9 GPM @ 50° Rise
• 4.9 GPM @ 60° Rise
• 4.2 GPM @ 70° Rise
• 3.7 GPM @ 80° Rise

Default Temperature:	122° F
Depth:	8
Direct Vent:	Yes
Elbow Deduction:	5.0 ft
Electronic Ignition Type:	Yes
Fuel Type:	Natural Gas
Gas Connection:	3/4"
Hardwired:	Yes
Height:	24.5
Ignition Type:	Electronic
Indoor Installation:	Yes
Manifolding:	No
Maximum Elbows:	3
Maximum Flow Rate:	6.9 GPM
Maximum Gas Input:	185000 Btu
Maximum Temperature:	176
Maximum Vent Length:	25 ft
Minimum Flow Rate:	0.75 GPM
Minimum Gas Input:	20000 Btu
Modulating Gas Valve:	Yes
Natural Gas Manifold Pressure:	2.3 WC
Natural Gas Pressure (Max):	10.5 WC
Natural Gas Pressure (Min):	5.0 WC
Natural Gas Thermal Efficiency:	82.00%
NG Energy Factor:	0.83
Outdoor Installation:	No
Plug In:	No
Practical Flow Rate:	4.9
Required Vent Size:	4"
Temperature (Max):	176° F
Temperature (Min):	99° F
Vent Construction:	Single Wall
Water Connection (In Inches):	3/4"
Water Pressure (Max):	150 psi
Water Pressure (Min):	15 psi
Weight:	60 lbs
Width:	16.5

• View Specification Sheet