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Model KT-190 and KT-200 Pipe Thawing Units
Ridge Tool Company4
Problem Diagnostics
Main Service Lines
If there is no running water anywhere in the house, the
main service from the curb valve to the house is frozen.
The service can be thawed by placing one clamp on a tap
water line in the basement and the other on the curb key
attached to the curb valve. Make sure there is contact be-
tween the curb key and valve. Extension Cables are
required if runs exceed 50 feet. Additional thawing units
may be required to reduce thawing time. Refer to Special
Application Procedure for Series Set-Up.
Tap Water Lines
Locate the frozen line by opening faucets and checking for
water flow. The frozen section will normally be in an out-
side wall or in a crawl space with poor insulation. If one
faucet does not have running water and the next faucet
does, frozen section is between faucets. Place clamps on
either hot or cold water lines, not on faucets.
Refer to Thawing Tap Water Lines for procedure.
Standard Equipment
Qty. Item
1 ........Thawing Unit, Model KT-190 or KT-200. 115
volts, 15 Amps.
2 ........Cables, 25 feet in length, with a vinyl coated
spring clamp on one end and a mounting loop
on the other.
Accessories
• Extension Cable, 25 feet, # 1/0 AWG c/w nut & bolt.
Catalog No. 62772
• Series Cable, 3 feet, # 1/0 AWG Catalog No. 62812
Figure 1 – KT-200 Pipe Thawing Tool
Cables and Clamps
25 feet in length with vinyl coated clamp.
KT-190 KT-200
Size ....................#2 AWG #1/0 AWG
Weight ................19 lbs/Pair 23 lbs/Pair
(8.6 kgs) (10.5 kgs)
Pipe Thawer
Frozen Section
Earth
Street Valve
Curb Shut
Off Rod
Figure 2 – Thawing Main Service Lines