Low Water Cut-Offs
Float-Type LWCO
List Price $863.00 $503.00 / eachSKU: MH105010 in stockThe McDonnell & Miller 140100 model 61 is a low water cut-off for steam boilers. It has 1" NPT female threaded connections and a maximum steam pressure rating of 20 psi. The switch has an automatic reset and uses a 120 or 240-volt power supply. Explore More- Manufacturer : McDonnell & Miller
- Part Number : 140100
List Price $863.00 $503.00 / each- List Price $1,035.00 $615.00 / eachSKU: MH10555 in stockMcDonnell & Miller model number 63 is a float-operated low water cut-off for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 142400
List Price $1,035.00 $615.00 / each - List Price $1,035.00 $736.33 / eachSKU: MH10566 in stockMcDonnell & Miller model number 63M is a float-operated low water cut-off for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 143100
List Price $1,035.00 $736.33 / each - List Price $868.00 $508.00 / eachSKU: MH10603 in stockMcDonnell & Miller model number 64 is a float-operated low water cut-off for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 143600
List Price $868.00 $508.00 / each - $0.00 / eachSKU: MH1061McDonnell & Miller model number 64M is a float-operated low water cut-off for steam or hot water boilers. It is also for use with model E-11M-24V (SKU: MI1615) or model E-11M-120V (SKU: MI1616) reset switches. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi and has a tapped 1" FIP connection for equalizing pipes. Blow down valve required. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 144250
- List Price $1,405.00 $999.56 / eachSKU: MH1062Ships within 2 weeksMcDonnell & Miller model number 64A is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 50 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve required. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 143700
List Price $1,405.00 $999.56 / each - List Price $775.00 $551.36 / eachSKU: MH10654 in stockMcDonnell & Miller model number 67 is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 149400
List Price $775.00 $551.36 / each - List Price $775.00 $551.36 / eachSKU: MH10661 in stockMcDonnell & Miller model number 67G is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual switches with millivolt service for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 149600
List Price $775.00 $551.36 / each - List Price $615.00 $437.53 / eachSKU: MH10673 in stockMcDonnell & Miller model number 67-LQHU is a float-operated low water cut-off less quick hook-up fittings for steam or hot water boilers. This control features an automatic reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Blow down valve included. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 149500
List Price $615.00 $437.53 / each - $0.00 / eachSKU: MH1068McDonnell & Miller model number 67M is a float-operated low water cut-off with quick hook-up fittings for steam or hot water boilers. This control features a manual reset with dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi. Quick hook-up fittings allow for installation directly into gauge glass tappings (1/2" NPT). Blow down valve included. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 149700
- List Price $610.00 $433.97 / eachSKU: MH10704 in stockMcDonnell & Miller model number 69 is a float-operated low water cut-off for mounting into 2-1/2" steam boiler side tappings. This control features dual 120 volt switches for low water cut-off and alarm or electric water feeders. Its maximum pressure is 20 psi and has an insertion length of 4-1/8". Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 153900
List Price $610.00 $433.97 / each - List Price $590.00 $419.74 / eachSKU: MH1105J2 in stockMcDonnell & Miller model number 169 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 3-1/8". Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 155100
List Price $590.00 $419.74 / each - $0.00 / eachSKU: MH1112McDonnell & Miller model number 269 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 2-1/4". Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 155200
- List Price $676.00 $480.93 / eachSKU: MH1112A8 in stockMcDonnell & Miller model number 369 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/4". Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 155300
List Price $676.00 $480.93 / each - $0.00 / eachSKU: MH1112BMcDonnell & Miller model number 469 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/16". Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 155500
- List Price $642.00 $456.74 / eachSKU: MH1114Ships within 2 weeksMcDonnell & Miller model number 569 is a float-operated low water cut-off for mounting into 2-1/2" side tappings on steam boilers. This cut-off features dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 20 psi and it has an insertion length of 1-3/4" with a 1/4" plug. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 155700
List Price $642.00 $456.74 / each - List Price $859.00 $611.11 / eachSKU: MH1115Ships within 1 business daysMcDonnell & Miller model number 764 is a float-operated low water cut-off for mounting into 2-1/2" FIP side tappings with a nipple directly into the boiler. This cut-off features an automatic reset, dual 120 volt switches for low water cut-off and alarm or electric water feeder. Its maximum pressure is 50 psi. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 144500
List Price $859.00 $611.11 / each - List Price $683.00 $485.90 / eachSKU: MH11204 in stockMcDonnell & Miller 153700 model 767 mechanical low water cut-off with automatic reset and 2-1/2" NPT connection for steam boilers with 20 psi maximum pressure. Explore More
- Manufacturer : McDonnell & Miller
- Part Number : 153700
List Price $683.00 $485.90 / each
