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Heating Line Product Guide 435.0

Thermocouples Section

Product Bulletin K Series

Issue Date 1098

Code No. LIT-4350600 www.johnsoncontrols.com

K Series BASO



Thermocouples

The K Series Thermocouples are designed for use in

standing pilot ignition systems. They are used primarily

with BASO brand automatic pilot controls and pilot

burners; however, many models are interchangeable

with thermocouples made by other manufacturers.

Johnson Controls thermocouples are built to provide

reliable performance and designed to simplify

installation. Various constructions and lengths are

available.

Figure 1: K Series Thermocouples

Features and Benefits

❑

Heavy-Duty Construction

Promotes long life

❑

High-Performance Inner and

Outer Element Material

Provides maximum output capacity

❑

Built-in Junction Block

(Optional)

Allows for the addition of a high limit switch in the

thermocouple circuit

❑

Nickel Plating (Optional)

Provides high ambient and corrosive atmosphere

protection

Summary of content (8 pages)

PAGE 1
Heating Line Product Guide 435.0 Thermocouples Section Product Bulletin K Series Issue Date 1098 K Series BASO Thermocouples The K Series Thermocouples are designed for use in standing pilot ignition systems. They are used primarily with BASO brand automatic pilot controls and pilot burners; however, many models are interchangeable with thermocouples made by other manufacturers. Johnson Controls thermocouples are built to provide reliable performance and designed to simplify installation.
PAGE 2
D escription J unction Block Thermocouples A thermocouple is constructed of two dissimilar metals; one is a solid element, and that is surrounded by a second, tubular-shaped piece. These metal elements touch only at a single welded endpoint. This endpoint, commonly known as the “hot” junction, is the tip of the thermocouple heated by the pilot flame. K16F and K16J junction block thermocouples have a built-in junction block, which allows for the connection of a high limit switch.
PAGE 3
H o t Jun ctio n In ne r E lem e nt Th erm o cou ple O uter E le m en t C o ld Jun ctio n C o nn ection to P ilo t B u rn er Do Not B e nd W ith in 5 1 m m ( 2 in .) o f C o nn ecto r C u rren t C o n du ctors Flexib le C o pp er Tub e an d In su la te d W ire In side Tu be Do Not B e nd W ith in 5 1 m m ( 2 in.
PAGE 4
O rdering Information Figure 4: K15 Series Thermocouple K15 _ _ -__ Thermocouple Length (in inches) 1st Letter Description 2nd Letter Other Variables D Standard A Standard or without Nut and Sleeve F Snap-in S Packed in Plastic Bag W Wholesale Many lengths (normally in 152 mm [6 in.] increments) are available up to 305 to 1,220 mm (12 to 48 in.), but the length should be kept to a minimum. The presence of a particular construction in this information does not guarantee its availability.
PAGE 5
Figure 6: K16 Husky Thermocouple K16 _ _ -__ Thermocouple Length (in inches) 1st Letter Description 2nd Letter Other Variables B Standard A Standard or without Nut and Sleeve C Snap-in M Extended Length (K16R only) F Junction Lead, 90 mm (3.546 in.) T High Performance Packed in Plastic Bag with Hardware J Junction Lead, 60 mm (2-343 in.) Snap-in K Junction Lead, 60 mm (2-343 in.
PAGE 6
Figure 8: K19 Thermocouple K19 _ _ -__ Thermocouple Length (in inches) 1st Letter Element Mounting/Features 2nd Letter Other Variables A Spring Clip, Knurled 11/32-32 DL A Standard F With Adapters and Snap Ring T “Super Slim Jim” Universal Replacement Packed in Plastic Bag with Hardware Many lengths (normally in 152 mm [6 in.] increments) are available up to 457 to 1,830 mm (18 to 72 in.), but the length should be kept to a minimum.
PAGE 7
Notes K Series BASO Thermocouples Product Bulletin 7
PAGE 8
S pecifications Product Types of Gas Packaging Bulk Pack Quantity Bulk Pack Weight Agency Listings Specification Standards K Series Thermocouples Natural, Liquefied Petroleum (LP), manufactured, mixed, or LP gas-air mixture Bulk pack supplied to original equipment manufacturer, (individual pack optional) 100 Varies due to the different lengths of leads AGA Certificate Number 20-35C-TC ANSI Standard Z21-20-1995 The performance specifications are nominal and conform to acceptable industry standards.