304_Layout 1 7/9/14 11:54 AM Page 304

Series
123
Boiler Water Level Control
Heavy Duty, Cast Iron Chamber
1 NPT
1-1/8
[28.58] 3-9/16
[90.50]
Ø5-3/4
[146.05]
7-1/8
[180.98]

1/2 PIPE PLUG

5-1/2 3-9/16
TYP 2 PLACES
7 [139.70] [90.50] 2-7/16
5-3/8 4-3/4
[177.80] [136.53] [61.91]
[120.65]

A special snap action mechanism eliminates frequent operation due to surging water level. SPECIFICATIONS Electrical Rating: Snap switch: 15A @
Visible operation adds convenience in servicing. SS trim and hand reset are available if Service: Compatible liquids. Cast iron 120/240/480 VAC, 0.5A @ 120 VDC
required. Options include DPDT switch, two stage, and weatherproof housing. is not for use with lethal or flammable resistive, 0.25A @ 240 VDC resistive;
substances either liquid or gaseous. Mercury switch: 4A @ 120 VAC/DC, 2A
APPLICATIONS Wetted Materials: Body: Cast iron; @ 240 VAC/DC.
• Boiler low water cut-off Float: 304 SS; Trim and packing gland: Electrical Connections: Screw
• Boiler feed-water control Brass; Packing: Carbon; Body gasket: terminal.
• Condensate tanks Carbon. Conduit Connection: 7/8˝ (22.23 mm)
• Deaerators Temperature Limit: 365°F (185°C). hole for 1/2˝ (12.7 mm) conduit.
Pressure Limit: 150 psig (10.34 bar). Process Connections: 1˝ female NPT.
Model Switch Type Enclosure Rating: General purpose. Mounting Orientation: Vertical.
123-153 SPDT Mercury Optional weatherproof. Weight: 20 lb (9.1 kg).
123-7000-153 SPDT Snap Switch Type: SPDT snap switch or Agency Approvals: CSA, UL. (Snap
mercury switch. Optional DPDT or two switch is not rated).
stage. Deadband: Approximately 1-1/2˝
(38.1 mm).
Specific Gravity: 0.88 min.
Options: Manual reset.

Series
102
Flanged Chamber Type Level Control www.warwicky.com

Operating Pressures to 300 PSIG

6-3/4 Ø5-3/4
[171.45] [146.05]

1 NPT 3/4 NPT CONDUIT

CONNECTION. CAN
17-1/2 BE ROTATED 360˚.
[444.5]
B SP. GR. A B
8-1/4
[209.55] 1.0 5-1/16 3/4
(129 mm) (19 mm)
A 0.6 5-13/16 1
(148 mm) (25.4 mm)
1-5/8 3-1/4 4-7/8 6-1/8
[41.28] [82.55][123.83] [155.58]
Flanged inspection plate allows periodic inspection and clean-out of Model 102 float SPECIFICATIONS Electrical Rating: Snap switch: 12A @
LEVEL

chamber, making this unit ideal for use in refineries, chemical plants, and other areas with Service: Compatible liquids. Cast iron 120 VAC, 5A @ 240 VAC, 0.5A @ 125
potentially dirty liquids. Low cost cast iron chamber is standard. Carbon steel and SS is not for use with lethal or flammable VDC resistive, 0.25A @ 250 VDC
chambers are available on special order. SS float is standard. substances either liquid or gaseous. resistive; Hermetically sealed snap
Wetted Materials: Body: Cast iron. switch: 5A @ 125 VAC, 5A @ 240
Optional cast steel or 316 SS; Float VAC, 5A @ 30 VDC resistive; Mercury
Model Switch Type
and trim: 303 SS, 304 SS, 316 SS, and switch: 4A @ 120 VAC/DC, 2A @ 240
102-WT-4810-C-60 SPDT Mercury
430 SS. Option of all 316 SS; Body VAC/DC. Higher contact ratings
102-WT-7810-C-60 SPDT Snap
gasket: Carbon. available for the mercury switch.
102-WT-7810HM-C-60 SPDT Hermetically Sealed Snap
Temperature Limit: 425°F (218°C). Electrical Connections: Screw
Pressure Limit: 300 psig (20.7 bar). terminal.
Optional rating to 400 psig (27.6 bar). Conduit Connection: 3/4˝ female
Enclosure Rating: NEMA 4X (IP66). NPT.
Optional general purpose or explosion- Process Connections: 1˝ female NPT.
Level Switches,

proof. Mounting Orientation: Vertical.

Repeatability: ±1/4˝ (6.4 mm). Set Point Adjustment: ±1˝ (25.4 mm).
Float

Switch Type: SPDT snap switch, Weight: 35 lb (15.9 kg).

hermetically sealed snap switch, or Agency Approvals: UL.
mercury switch. Optional DPDT or two Specific Gravity: 0.6 min.
stage.

WARWICKY SALES: 1+201-419-6120 sales@warwicky.com