Competitive Cross Reference

LTA-2 Competitive Comparison
Taco Hydrolevel Hydrolevel Hydrolevel
McDonnell
& Miller
McDonnell
& Miller
McDonnell
& Miller
McDonnell
& Miller
LTA-2 1150 24 & 170 600 & 650 RB-120 RB-122E PS-851 & PS-852 751P & 752P
24 & 120 VAC 120 VAC 24 & 120 VAC 24 & 120 VAC 24 VAC 120 VAC 24 & 120 VAC 24 & 120 VAC
50VA @ 24VAC
7.5FLA @120VAC
43.2LRA@120VAC
5.8FLA @ 120VAC
34.8LRA@120VAC
50VA @ 24VAC
5.8FLA @ 120VAC
34.8LRA@120VAC
50VA @ 24VAC
5.8FLA @ 120VAC
34.8LRA@120VAC
5.8A @ 120VAC
34.8LRA@120VAC
5.8A @ 120VAC
34.8LRA@120VAC
50VA @ 24VAC
7.5FLA @ 120VAC
43.2LRA@120VAC
50VA @ 24 VAC
125VA @ 120VAC
20° - 150° F Room Room Room 32-120° F 32-120° F 32-120° F 32-135° F
250° F 250° F Not Available Not Available 250° F 250° F 250° F 250° F
250 psi
(water & steam)
160 psi 160 psi 250 psi 160 psi 160 psi 160 psi 160 psi
Automatic Automatic Automatic Automatic Automatic Automatic Automatic* Automatic*
Yes Yes Yes Yes No Yes Yes Yes
Power / Low H
2
0
& Service
Low H
2
O & Power ---
Low H
2
O /
Shorted Probe
None Low H
2
O & Power
Low H
2
O /
Shorted Probe &
Power / Test
Low H
2
O & Power
Hot Water,
Secondary Steam
Water Water Water Water Water
Hot Water,
Secondary Steam
Hot Water,
Secondary Steam
(Manual reset
version only)
40K ohms Not Available Not Available Not Available 6k ohms 20K ohms 7k ohms 20k ohms
3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"
Standard (1.31”) Short (1-27/32”)
Short (1”) EL 1214
Probe
Short (1”) EL 1214
Probe
Short (1-3/8”)
Self Cleaning
Short (1-3/8”)
Self Cleaning
Standard (2-1/8”)
Self Cleaning**
Standard (2-1/8”)
Self Cleaning**
UL GUIDE (MBPR) for
Limit Controls per
UL Standard
353 Limit Controls
UL GUIDE
(MBPR7) Limit
Controls Certied
for Canada per CSA
Standard C22.2
Fully meets
installation
requirements
of CSD-1 for
automatic controls
UL GUIDE (MBPR) for
Limit Controls per
UL Standard
353 Limit Controls
UL GUIDE
(MBPR7) Limit
Controls Certied
for Canada per CSA
Standard C22.2
UL GUIDE (MBPR)
for Limit Controls
per UL Standard
353 Limit Controls
UL GUIDE
(MBPR7) Limit
Controls Certied
for Canada per CSA
Standard C22.2
Approved for
Canada per CSA
Standard C22.2
UL GUIDE (MBPR) for
Limit Controls per
UL Standard 353
Limit Controls
UL GUIDE
(MBPR7) Limit
Controls Certied
for Canada per CSA
Standard C22.2
UL GUIDE (MBPR)
for Limit Controls
per UL Standard
353 Limit Controls.
CSA 3211-07
UL GUIDE (MBPR)
for Limit Controls
per UL Standard
353 Limit Controls
CSA 3211-07
UL GUIDE (MBPR)
for Limit Controls
per UL Standard
353 Limit Controls
CSA 4813-02
FM Approved
UL GUIDE (MBPR2)
for Limit Controls-
Components per UL
Standard 353 Limit
Controls
CSA 4813-02
FM Approved
Manual reset
models meet
installation
requirements
of CSD-1
None None None None None None None None
--- ---
Electro-mechanical
operation,
relay type
Alarm
Contacts
See Hydrolevel
“SV” note below
(1)
Alarm
Contacts
See Hydrolevel
“SV” note below
(1)
Electro-mechanical
operation,
relay type
---
*This series
also available
in manual reset
which crosses
with the Taco
LF Series
**Extended barrel,
remote and short
probe models
available
*This series also
available in manual
reset which crosses
with the Taco
LF Series
**Extended barrel,
remote and short
probe models
available
Manufacturer
Model (Series)
Input Power
Contact Rating
Ambient Temp
Water Temp
Water
Pressure
Reset Type
Testable
LED Indicators
Service
Max. Probe
Sensitivity
Process
Connection
Probe Style
Listing /
Approvals
Delays
Notes
(1) Hydrolevel note: By adding “SV” to the end of their part numbers (example 600SV),
the control wil be supplied with the shorter model EL 1214-SV probe (usually
needed for mounting in reducing tees).
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