Watts LFTBR User Manual
Series lftbr, Lead free, Bottom entry bimetal thermometers
For Commercial, Residential and Institutional HVAC Applications
ES-LFTBR
Series LFTBR
Dial Size: 3" (80mm)
Series LFTBR Bottom-Entry Bimetal Lead Free* Thermom-
eters are used in commercial, residential, and institutional
HVAC applications. These thermometers feature chrome
steel cases, Kostil polymer windows, Lead Free* brass
stems, brass amplifying movements,
1
⁄
2
" NPT Lead Free*
brass snap-in thermowells, and bimetal spiral spring sensing
elements. The LFTBR features Lead Free* construction to
comply with Lead Free* installlation requirements. The Series
LFTBR thermometers are available in various temperature
rating scales.
Features
• Chrome steel case
• Kostil polymer window
• Lead Free* Brass stem
• Brass amplifying movements
•
1
⁄
2
" NPT Lead Free* brass snap-in thermowells
• Bimetal spiral spring sensing element
Approvals
Certified by The Northern Certification Society of Italy
(Det Norske Verita Italia S.r.l.)
Temperature
Working Temperature: 32°F to 248°F (0°C to 120°C) or
-22°F to 122°F (-30°C to 50°C)
Dimensions — Weights
LFTBR
*The wetted surface of this product contacted by consumable
water contains less than 0.25% of lead by weight.
LEAD FREE
*
Job Name –––––––––––––––––––––––––––––––––––––––––––
Contractor ––––––––––––––––––––––––––––––––––––––––––––
Job Location –––––––––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Engineer –––––––––––––––––––––––––––––––––––––––––––––
Contractor’s P.O. No. ––––––––––––––––––––––––––––––––––
Approval –––––––––––––––––––––––––––––––––––––––––––––
Representative ––––––––––––––––––––––––––––––––––––––––
SIZE
MODEL
ScaLE
PrObE SIZE
DIMENSIONS
WEIght
A
B
C
D
E
in.
˚F
˚C
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
in.
mm
lbs.
kgs.
1
⁄
2
LFTBR-3-232-248 32 – 248
0 – 120
2
51
3
80
5
3
⁄
8
137
2
51
1
3
⁄
16
30
7
⁄
16
11
.4
.18
1
⁄
2
LFTBR-3-332-140 32 – 140
0 – 60
4
102
3
80
7
5
⁄
16
186
3
15
⁄
16
100
1
3
⁄
16
30
7
⁄
16
11
.8
.36
Materials
Case:
Chromed steel
Window:
Kostil polymer
Stem:
Lead Free* Brass
Amplifying Movement: Brass
Thermowell:
Lead Free* Brass
Sensing Element:
Bimetal spiral spring
E
Bottom Entry
LFTBR
c
D
a
b
ES-LFTBR 1329
© 2013 Watts
USA: Tel: (978) 688-1811 • Fax: (978) 794-1848 • www.watts.com
Canada: Tel: (905) 332-4090 • Fax: (905) 332-7068 • www.watts.ca
A Watts Water Technologies Company
Watts product specifications in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements, please contact Watts Technical Service. Watts
reserves the right to change or modify product design, construction, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications
on Watts products previously or subsequently sold.
Bottom Entry Bimetal Thermometers