Product Overview

ManualsBrandsMcdonnell & Miller ManualsHeating SuppliesRB-122E, GuardDog Electronic, 120V Low Water Cut-Off - (Water)

Boiler Controls

McDonnell & Miller

Series RB-122-E

F B

Low Water Cut-Offs – Electronic

For Hot Water Boilers

RB-122-E

Low Water Cut-Offs

• For residential applications

• Electronic operation

• Easy to install and wire

• Red low water indicating LED

• Green power indicating LED

• Now with test button

• Automatic reset

• No blow down required

• 20,000 ohms probe sensitivity

• Maximum ambient temperature 120°F (49°C)

• Maximum water temperature 250°F (121°C)

• Maximum water pressure 160 psi (11.2 kg/cm

)

Ordering Information

Model Part Weight

Number Number Description lbs. (kg)

RB-122-E 144676 Low water cut-off 1.7 (.78)

ABCDEFGH

NPT

⁄4 (70) 1

⁄8 (51) 1

⁄8 (35)

⁄4 (20)

⁄8 (22) 3

⁄16 (99)

⁄4 3

⁄16 (81)

Dimensions, in. (mm)

Electrical Ratings

Voltage Power Load Switching

Consumption

120 VAC

3.1 VA

5.8 A at 120 VAC

NOW WITH

SELF-CLEANING

PROBE!

04_LWCOpgs 27-41 COLLECT 3/6/07 6:29 PM Page 35

Summary of content (1 pages)

PAGE 1
04_LWCOpgs 27-41 COLLECT 3/6/07 6:29 PM Page 35 Boiler Controls Low Water Cut-Offs – Electronic For Hot Water Boilers RB-122-E McDonnell & Miller ITH NOW W ING LEAN SELF-C ! PROBE ® ® Low Water Cut-Offs • For residential applications • Electronic operation H F B C • Easy to install and wire E A D Boiler Controls • Red low water indicating LED G • Green power indicating LED • Now with test button • Automatic reset Series RB-122-E • No blow down required • 20,000 ohms probe sensitivity •