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Low Water Cut-Off #153895
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PS-851-120 has been discontinued
Discontinued October 21, 2012
This product was discontinued because the part number was changed by the manufacturer. No modifications were made to the replacement product.
MANUALS (1)
Direct Replacement:
RB-122-E, GuardDog Electronic, 120V Low Water Cut-Off (Water)
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Product Highlights
–
15 (Steam) MAX PSI
250°F Max Temp
120v
Description
–
Overview:
For residential and commercial applications
Electronic operation
User-friendly diagnostics
Red low water and shorted probe LED
Green power and test LED
Probe sensitivity: 7,000 ohms
No lock out with loss of power if probe is in water
Delay on Make (DOM) feature (15 seconds)
Delay on Break (DOB) feature (10 seconds)
No blow down of control required when mounted directly
into boiler tappings
Test button standard on all models
Extended barrel and remote sensor models
ANSI specification Z21.13a)
Power consumption 1.7 VA
Provisions to add alarm or automatic water feeder
Maximum ambient temperature 120°F
Maximum steam pressure 15 psi
Maximum water temperature 250°F
Specs
–
| Application: | Steam Boilers |
|---|---|
| Type: | Electronic |
| Reset Type: | Automatic |
| Max Pressure (PSI): | 15 (Steam) |
| Features: | w/ Extension Barrel |
| Max Temp (F): | 250°F |
| Voltage: | 120v |
| Sensitivity: | 7000 ohms |
| Delay on Break Timer: | 10 seconds |
| Delay on Make Timer: | 15 seconds |
| Max Ambient Temp (°F): | 120°F |
| Electrical Ratings (ALR): | 21.6 @ 240 VAC 43.2 @ 120 VAC |
| Electrical Ratings (AFL): | 7.2 A @ 120 VAC 3.75 A @ 240 VAC |
Questions?
Speak with a real person who will go out of the way to help!
Call or text 888-757-4774
Monday – Thursday
8am–7:45pm
Friday
9am–7:45pm
Saturday – Sunday
9am–5:45pm