Specification

L8148A,E,J AQUASTAT® RELAYS
60-2278—9 2
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 Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, 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.
SPECIFICATIONS
IMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not exactly match the listed
specifications. Also, this product is tested and
calibrated under closely controlled conditions, and
some minor differences in performance can be
expected if those conditions are changed.
TRADELINE® Models
TRADELINE® models are selected and packaged for ease of
handling, ease of stocking, and maximum replacement value.
TRADELINE® model specifications are the same as those of
standard models except as noted below.
TRADELINE® Models Available:
L8148A Aquastat¨ Relay, without zone control terminals,
without well and spud. See Fig. 2.
L8148E Aquastat¨ Relay with Molex® plug for use with
D892/M892 Vent Dampers; 180°F to 240°F (82°C to
116°C) scale range; without well and spud.
L8148J Aquastat¨ Relay with zone control terminals;
without well and spud. See Fig. 3.
Scale Range: 140°F to 240°F (60°C to 116°C).
Additional Features:
Heat-conductive compound for better bulb response in
oversized well. For more information on heat-conductive
compound, see Material Safety Data Sheet (MSDS), form
69-0955.
Case can be vertically or horizontally mounted.
High-limit dial stop is factory-set at end of high-limit scale;
can be adjusted.
TRADELINE® pack with cross reference label and special
instructions.
Standard Models
Models: See Table 2.
Electrical Ratings:
Table 1. Circulator Control Circuit (Amperes).
Voltage and Frequency: 120 Vac, 60 Hz.
Burner Control Circuits:
Line Voltage: Ratings same as for circulator above.
Low Voltage: 0.8A maximum at 24 Vac.
Millivoltage: 0.25A at 1/4 to 12 Vdc.
Approvals:
Underwriters Laboratories Inc. Listed: File No. MP466, Guide
No. MBPR (models with well); Guide No. MBPR2 (models
without well).
Canadian Standards Association Certified: File No. LR1620,
Guide No. 400-E-O.
ANSI Miswiring: Models with 1/4 in. tab terminal meet ANSI
Appliance Miswiring Standard.
Immersion Well Dimensions:
Brass Spud for Boiler Fitting: 1/2 or 3/4 NPT.
Insulation Depth: 1-1/2 or 3 in. (38 or 76 mm).
NOTE: Not all models include wells. If well is not included
but is needed, refer to form 68-0040 to order.
Insertion Length: 3-3/8 in. (86 mm).
Maximum Pressure On Immersion Well:
255 psi (1758 kPa).
Maximum Bulb Temperature:
40°F higher than setpoint, or up to 265°F (23°C higher than
setpoint, or up to 129°C).
Material Safety Data Sheets (MSDS): For more information
on heat-conductive compound, see form 69-0955.
Maximum Ambient Temperature:
150°F (66°C) with 1.2A, 24V load.
77°F (25°C) with 1.4A, 24V load.
Type 120 Vac 240 Vac
Full Load 7.4 3.7
Locked Rotor 44.4 22.7