Boiler Controls
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- Quantity
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173003 McDonnell & Miller 150S-HD Head Mechanism Only
McDonnell & Miller
$974.95173003 McDonnell & Miller 150S-HD Head Mechanism Only, Automatic Reset, for 150S, 157S, 158S. Please Contact Us For Lead Time!$974.95 -
126800 McDonnell & Miller 25-A Make-Up Water Feeder
McDonnell & Miller
$1,308.95126800 McDonnell & Miller Make-Up Water Feeder Model 25-A. McDonnell & Miller Model 21 Water Feeder Instruction Manual Features: For boiler receiver tanks Float operated Proportional feed action Soft seat provides positive seal Seal...$1,308.95 -
123010 McDonnell & Miller AFE-1 Air Flow Switch
McDonnell & Miller
$1,097.95123010 McDonnell & Miller Air Flow Switch Model AFE-1 Hazardous Environment Applications. Information: McDonnell & Miller AFE-1 Instruction Manual For industrial hazardous environment applications requiring a NEMA 7 (Class I, Division I,...$1,097.95 -
127100 McDonnell & Miller 25-A-HD Head Assembly
McDonnell & Miller
$1,157.95127100 McDonnell & Miller 25-A-HD Head Assembly. Features: For boiler receiver tanks Float operated Proportional feed action Soft seat provides positive seal Seal between float chamber and valve chamber is not a positive seal Maximum water...$1,157.95 -
171702 McDonnell & Miller Hi Pressure Level Control 150S
McDonnell & Miller
$997.95171702 McDonnell & Miller Hi Pressure Level Control 150S. McDonnell & Miller 150S Instruction Manual Features and Benefits For commercial and industrial low or high pressure Boiler applications For boilers of any steaming...$997.95 -
132800 McDonnell & Miller Water Feeder LWCO 47-2
McDonnell & Miller
$1,298.95132800 McDonnell & Miller Water Feeder LWCO 47-2. Features: For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level, independent of electrical service Proportional feed action Quick hook-up...$1,298.95 -
172806 McDonnell & Miller 150S-M Combo LWCO & Pump Controller
McDonnell & Miller
$1,074.95172806 McDonnell & Miller 150S-M Combo LWCO & Pump Controller. McDonnell & Miller 150S Instruction Manual Features and Benefits For commercial and industrial low or high pressure Boiler applications For boilers of any steaming...$1,074.95 -
173502 McDonnell & Miller Hi Pressure Level Control 157S
McDonnell & Miller
$1,317.95173502 McDonnell & Miller Hi Pressure Level Control 157S. Information: McDonnell & Miller 150S/157S Instruction Manual Specifications For boilers of any steaming capacity Model 157S - 173502 Monel bellows provides corrosion...$1,317.95 -
129302 McDonnell & Miller 42S Pump Controller LWCO
McDonnell & Miller
$979.95129302 McDonnell & Miller Pump Controller LWCO 42S. Instruction Manual Features: For Residential, Commercial, & Industrial low and medium pressure steam boilers with a separate water column For boilers of any steaming...$979.95 -
132900 McDonnell & Miller 47-2-M Mechanical Water Feeder
McDonnell & Miller
$1,258.95132900 McDonnell & Miller 47-2-M Mechanical Water Feeder. Features: For steam and hot water boilers with cold water feed Continuous maintenance of minimum safe water level, independent of electrical service Proportional feed action Quick...$1,258.95 -
140003 Bell & Gossett TFI-2 Thermoflo Indicator 2" Sweat
Bell & Gossett
$1,247.95140003 Bell & Gossett TFI-2 Thermoflo Indicator 2" Sweat Part Number 140003 is an indicating flow meter for measuring the flow of heated or chilled water. Installed in each circuit of a hydronic system, it permits simple balancing to meet design...$1,247.95 -
171802 McDonnell & Miller Hi Pressure Level Control 150S-MD
McDonnell & Miller
$1,052.95171802 McDonnell & Miller Hi Pressure Level Control 150S-MD. Information: 171802 McDonnell & Miller 150S Instruction Manual Specifications For boilers of any steaming capacity Monel bellows provides corrosion resistance Snap action...$1,052.95 -
172702 McDonnell & Miller Hi Pressure Level Control 150S-M
McDonnell & Miller
$1,231.95172702 McDonnell & Miller Hi Pressure Level Control 150S-M. Information: 172702 McDonnell & Miller Instruction Manual Features and Benefits For commercial and industrial low or high pressure Boiler applications For boilers of...$1,231.95 -
134900 McDonnell & Miller 51-HD Head Mechanism
McDonnell & Miller
$1,168.95134900 McDonnell & Miller 51-HD Head Mechanism for Mechanical Water Feeder. This Item Usually Ships The Same Day!$1,168.95 -
110300 McDonnell & Miller Model 5 Reset Snap Switch
McDonnell & Miller
$998.95110300 McDonnell & Miller Model 5 Reset Snap Switch for model number 93, 193, 94, and 194 controls. This Item Usually Ships The Same Day!$998.95 -
140001 Bell & Gossett TFI-1-1/4 Thermoflo Indicator 1-1/4" Sweat
Bell & Gossett
$1,354.95Bell & Gossett TFI-1-1/4 Thermoflo Indicator 1-1/4" Sweat Part Number 140001 is an indicating flow meter for measuring the flow of heated or chilled water. Installed in each circuit of a hydronic system, it permits simple balancing to meet...$1,354.95 -
129702 McDonnell & Miller LWCO 42S-A Pump Controller
McDonnell & Miller
$1,298.95129702 McDonnell & Miller LWCO 42S-A Pump Controller. 129702 McDonnell & Miller LWCO 42S-A Pump Controller Instruction Manual For residential, commercial, and industrial low and medium pressure steam boilers with a separate water column For...$1,298.95 -
120175 McDonnell & Miller FS7-4SE - 1-1/4" Flow Switch
McDonnell & Miller
$1,198.95120175 McDonnell & Miller FS7-4SE - 1-1/4" Flow Switch With Stainless Steel Body And NEMA 7 & 9 Enclosure. Mcdonnell & Miller 120175 Instruction Manual Features: For hazardous environment applications requiring a NEMA 7 (Class I,...$1,198.95 -
114795 McDonnell & Miller FS5-S-1 - 1" Flow Switch
McDonnell & Miller
$1,096.95114795 McDonnell & Miller FS5-S-1 - 1" Flow Switch With Stainless Steel Body 114795. McDonnell & Miller FS5 Instruction Manual Features: In-line configuration eliminates need for a pipe tee Sizes available: 3/4" NPT, 1" NPT Materials...$1,096.95 -
22-AV Armstrong SS Air Vent 3/4" NPT 600 psi
Armstrong
$1,224.9522-AV Armstrong SS Air Vent 3/4" NPT 600 psi. The Armstrong all-stainless steel guided lever air vents have been developed to provide positive venting of air/gases under pressure. For pressures to 600 psig (41 bar) or specific gravity down to 0...$1,224.95