750 Series

ELECTRONIC LOW WATER CUT-OFF

The 750 series electronic low water cutoff with remote sensor can be used on steam, or hot water boilers. The 750P-MT with manual reset is used as a primary, or secondary control on hot water boil- ers, and as a secondary control on steam boilers. This manual reset model meets the requirements of ASME Standard CSD- l. Green LED to indicate power, Red LED to indicate low water. Complete with PA-800 probe.

CAT. NO. MFG. NO.

DESCRIPTION ELECTRIAL RATING

3W288 750P-MT-120 Manual reset, electronic low water cut-off

7.2 amps@ 120V, 3.6 amps @ 240

SIZE

5 1/8” H x 63/8” W x 2 9/16” D. ¾” MPT probe.

EACH $279.65

MECHANICAL WATER FEEDERS Series 51

ELECTRIC WATER FEEDERS Uni-Match®

for Low Pressure Steam Boilers

For use on steam boilers up to 3,500 sq. ft. capacity. Can be used with mechanical or electronic low water cut-off controls. Universal design simplifies selection and

reduces stock. Features include three position slide switch allows timing cycle to be matched to that of the major low water cut-off manufacturers, field adaptable feed rate - 1, 2, or 4 gpm, electronic operation provides consistent, accurate cycle-to-cycle repeatabil- ity, manual feed button and easy to clean strainer. Includes 3/8” x 1/2” sweat adapters for quick installation with 1/2” copper tubing. Maximum water pressure 150 psi; Maximum boiler pressure 15 psi; Maximum water temperature 175°F; Maximum ambient tem- perature 100°F.

CAT. NO. MFG. NO. DESCRIPTION 3W232 3W233

169550 169560

EACH

WF-2-U-24, Electric Water Feeder-24v WF-2-U-120, Electric Water Feeder-120v

$477.53 $477.53

Features quick-change replaceable cartridge valve and strainer and proportional feed action. Maximum water supply pressure 150 psi; Maximum boiler pressure 25 psi. Installs with 1” equalizing pipes, water feed piping connections are 3/4” FPT. Model 51 can be field upgraded with a 3W264 switch for automatic low water cut-off function or 3W265 switch for manual reset low water cut-off func- tion.

CAT. NO. MFG. NO. DESCRIPTION 3W210 3W264 3W265

134700 110000 110100

EACH

51, Mechanical Water Feeder 2, Cut-Off and Alarm Switch, 115v 2M, Cut-Off and Alarm Switch, 115v

$1,209.48 $184.32 $184.32

ELECTRIC WATER FEEDERS Series 101-A

for Low Pressure Steam Boilers with Cold Water Feed

For use on steam boilers up to 5,000 sq. ft. capacity. Eliminates necessity to manually

add water to the boiler. Can be used with mechanical or electronic low water cut-off controls. Features include quick-change replace- able cartridge valve and strainer and manual feed button. Model No. 101-A features a 120 VAC solenoid; Model No. 101-A-24 features a 24 VAC solenoid and a separate 50VA transformer. Maximum water pressure 150 psi; Maximum boiler pressure 25 psi; Maximum water temperature 175°F. Water feed piping con- nections are 1/2” FPT.

CAT. NO. MFG. NO. DESCRIPTION 3W230 3W231

169400 169500

EACH

101-A, Electric Water Feeder-120v 101-A-24V, Electric Water Feeder-24v

$522.29 $685.58

for Low Pressure Steam & Hot Water Boilers with Cold Water Feed (larger than 5,000 sq. ft. capacity)

MAKE-UP WATER FEEDERS Series 21 & 221

for Boiler Receiver Tanks

Direct mounting eliminates need for equalizing connections. Soft seat provides

positive seal. Proportional feed action. Model No. 21 features mounting flange 6-7/16” bolt holes on a 5-3/4” bolt circle. Model No. 221 features mounting flange 6-17/32” bolt holes on a 8-1/2” bolt circle. Maximum water supply pressure 150 psi; Maximum re- ceiver pressure 35 psi. Water feed piping connections are 3/4” FPT.

CAT. NO. MFG. NO. DESCRIPTION 3W256 3W257

126400 126600

EACH

21, Make-Up Water Feeder 221, Make-Up Water Feeder

$898.58 $898.58

464

HYDRONIC & STEAM SYSTEMS