Specifications; Ordering Information - Honeywell 121371B Product Data

IMMERSION WELLS AND COMPRESSION FITTINGS

SPECIFICATIONS

Models:
Immersion Wells: Allow heat transfer while protecting sensing
bulb from controlled medium and seal off tapping to permit
bulb removal without draining the boiler. Available in
copper, stainless steel, mild steel and Monel. See Table 1
for copper. See Table 2 for stainless steel, mild steel and
Monel.
Compression Fittings: Allow bulb insertion directly into the
controlled medium with boiler draining. Can also be used to
provide positive seal in duct applications. Available in brass
and stainless steel. See Table 3.
Element Holders: Support bulb and capillary or averaging
element in a duct. See Table 4.
Dimensions:
See Tables 1, 2, 3 and 4, and Fig. 1 and 2.
Temperature Ratings:
IMPORTANT
Do not exceed the maximum temperature rating of
the controller element.
Wells:
Copper: 300°F (149°C) maximum.
Other Materials: Maximum temperature rating limits of the
controller sensing bulb and capillary.
Capillary Compression Fittings: 250°F (121°C) maximum.

ORDERING INFORMATION

When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Honeywell Automation and Control Products Sales Office (check white pages of your phone directory).
2. Honeywell Customer Care
1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Toronto, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
68-0040—04
Element Holders:
311266D Bulb Holder: -40°F to +100°F (-40°C to +38°C).
Other Element Holders: Maximum temperature rating limits
of the controller sensing bulb and capillary.
Maximum Pressure Ratings:
Copper Wells: 255 psi (1758 kPa) at 300°F (149°C).
Other Wells: 1500 psi (10,342 kPa) at 700°F (371°C).
Capillary Compression Fittings:
Water: 50 psi (345 kPa)
Air: 15 psi (103 kPa).
Accessories:
See Tables 5 and 6.
PACKING INSULATION DEPTH
NUT
TUBING
SLOTTED
BRASS
WASHERS (4)
COMPOSITION DISK
Fig. 1. Capillary compression fitting
dimensions and components.
2
FITTING FOR 1/2
OR 3/4-14 NPT
TAPPED HOLE
MINIMUM
INSERTION LENGTH
APPROXIMATELY 4-3/4 IN.
M17260