Series 67

LOW WATER CUT-OFF, FLOAT-TYPE

for Steam Boilers Residential and Commercial Applications

For steam boilers of any size operating at pressures up to a maximum of 20 psi. Has 1/2” quick hook-up fittings for easy installation in

gauge glass tappings. Twin switch design provides an extra switch which closes upon a small drop in water level to engage a 101-A Electric Water Feeder without interrupting burner operation. Self- closing blow-off valve is standard. Electrical rating of switch is 7.4 amps @ 115v, 3.7 amps @ 230v. Model No. 67G is furnished with special low voltage burner switch terminals for use on self generating millivolt circuits.

CAT. NO. MFG. NO. DESCRIPTION 3W220 3W221

149400 149600

EACH 67, Low Water Cut-Off 67-G, Low Water Cut-Off, Millivolt Series 64

LOW WATER CUT-OFF, FLOAT-TYPE

for Steam Boilers Residential, Commercial & Industrial Applications

Features include adjustable BX outlet for easy installation, dual precision switches for dependable operation of the low water cut- off and alarm and electric water feeder, packless bellows, optional manual reset available, 1” NPT equalizing pipes required. Maxi- mum boiler pressure 50 psi. Electrical rating 7.4 amps @ 120v, 3.7 amps @ 240v.

CAT. NO. MFG. NO. DESCRIPTION 5G2186

143600 EACH 64, Low Water Cut-Off $511.25 Series 764

LOW WATER CUT-OFF, FLOAT-TYPE

for Steam Boilers Residential, Commercial & Industrial Applications

Features adjustable BX outlet for easy installation, dual precision switches for dependable operation of the low water cut-off and alarm or electric water feeder, packless bellows, 2-1/2” NPT side tapping provided for installation with close nipple. Maximum boiler pressure 50 psi. Electrical rating 7.4 amps @ 120v, 3.7 amps @ 240v.

CAT. NO. MFG. NO. DESCRIPTION 3W281

144500 EACH 764, Low Water Cut-Off $639.78

You will find an additional selection of... • Hydronic Controls in the Controls Section • Hydronic Valves in the Valves Section

466

$452.74 $452.74

Series 63

LOW WATER CUT-OFFS, FLOAT-TYPE

for Steam Boilers Residential and Commercial

Installs with 1” equalizing pipes. For boilers of any steaming ca- pacity. Features packless bellows. Optional manual reset available. Maximum boiler pressure 50 psi. Electrical rating 7.4 amps @ 120v, 3.7 amps @ 240v. CAT. NO. MFG. NO. DESCRIPTION

EACH 3W280 3W280M

142400 143100

63, Low Water Cut-Off 63-M, Low Water Cut-Off w/manual reset Series 69

LOW WATER CUT-OFFS, FLOAT-TYPE

for Steam Boilers Residential and Commercial Low Pressure Applications

Adjustable BX outlet for easy installation, dual precision switches for dependable operation of the low water cut-off and an alarm or electric water feeder.For mounting in 2-1/2” NPT boiler side tap- pings. Maximum steam pressure 20 psi. Insertion lengths: Model 69--4-1/8”, Model 169--3-1/8”. Electrical rating 7.4 amps @ 120v, 3.7 amps @ 240v.

CAT. NO. MFG. NO. DESCRIPTION 3W235 3W236

153900 155100

EACH

69, Low Water Cut-Off 169, Low Water Cut-Off

$368.68 $378.35

Series 150S

COMBINATION LOW WATER CUT-OFF/PUMP CONTROLLER

for Steam Boilers Commercial & Industrial Low or High Pressure Applications

Used to control boiler feed pumps directly from the boiler water level. Also includes a second switch at a lower level that can pro- vide low water alarm and cut-off. Maximum boiler pressure 150 psi. Installs with 1” equalizing lines. Completely packless con- struction with snap action switches. Electrical rating for pump and cut-off circuits: 7.4 amps @ 115v, 3.7 amps @ 230v.

CAT. NO. MFG. NO. DESCRIPTION 3W240S 150S

EACH 3W241S 150S-M 150-M, w/Manual Reset

150, Combination Low Water Cut-Off & Pump Controller $879.41 $879.41

Series 157S

COMBINATION LOW WATER CUT-OFF/PUMP CONTROLLER

for Steam Boilers Residential, Commercial & Industrial Low or High Pressure Applications

Essentially the same as the 150S model shown above but with an integral water column type float chamber equipped with all neces- sary 1/2” tappings for gauge glass set and tricocks.

CAT. NO. MFG. NO. DESCRIPTION 3W243S

157S EACH 150, Low Water Cut-Off w/water column $1,119.90

$627.39 $707.24

HYDRONIC & STEAM SYSTEMS