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  • Items 1-24 of 122. Page 1 of 6.
FS251 Mcdonnell & Miller 120611
Paddle type flow switch 1 NPT Replaces FS4-3 1" McDonnell Miller paddle type flow switch. 1 inch NPT tap with 1, 2, 3, & 6 inch paddles. SPDT switch 7.4A @ 120 volts. Maximum pressure 160 PSI. Maximum fluid velocity 10 ft per second. Temperature 32 to 250F. NEMA 1 Replaces FS4-3(114400).

McDonnell & Miller

FS251

120611

$219.99 EA
$439.98
97 In Stock
FS254 Mcdonnell & Miller 120610
Paddle type flow switch with weatherproof NEMA 4 enclosure. 1 inch NPT tap with 1, 2, 3, & 6 inch paddles. SPDT switch 7.4A @ 120 volts. Maximum pressure 160 PSI. Maximum fluid velocity 10 ft per second. Temperature 32 to 250F. NEM

McDonnell & Miller

FS254

$286.34 EA
50 In Stock
150S-HD Mcdonnell & Miller 173003
Head Assembly For McDonnell Miller 150 And 157 Series Controls. 1 SPST 1 SPDT Switch. 7.4A @ 120V 3.7A @ 240V.

McDonnell & Miller

150S-HD

7804665431567

$1,133.89 EA
$2,267.78
27 In Stock
RS1BR1 Mcdonnell & Miller 179524
Single Probe Remote Sensor Holder For Pch And Pcl Series Controls. 1 Inch NPT.

McDonnell & Miller

RS1BR1

$290.68 EA
$581.36
21 In Stock
F26 Mcdonnell & Miller 304200
Head Gasket * Head Gasket For 25A 51 51-2 51S 51S2And 53-2. PURCHASED AS 10 PACK, SOLD INDIVIDUALLY REPLACES: 304100

McDonnell & Miller

F26

$19.76 EA
$39.52
65 In Stock
750MT120 Mcdonnell & Miller 176207
Electric Low Wtr Cutoff w/Switch, Manual Reset Less Probe for hot water boilers. Secondary control for commercial or industrial steam boilers. Maximum water temp 250F. Manual reset with test switch. Order probe separately. REPLACED BY: 144704

McDonnell & Miller

750MT120

751875032589

$238.63 EA
$477.25
Not in stock
P2SS Mcdonnell & Miller 179535
24 Probe for PCH and PCL * Sensor Probe For PCH And PCL Series Controls. 24 Inches Long.

McDonnell & Miller

P2SS

$57.27 EA
$114.54
23 In Stock
PA800 Mcdonnell & Miller
354081 Standard Probe Assembly For PS8xx Xylem-McDonnell & Miller Replacement Probe for: PS850 PS851 Low Water Cut Offs. 3/4" pipe thread, 3.7" length from top of sensor shoulder to end of sensor tip.

McDonnell & Miller

PA800

$114.36 EA
$228.72
22 In Stock
751P-MT-120 Mcdonnell Miller 176234
Manual Reset Low Water Cut Off W/Test Button & Probe Replaces: PS851-M120 550SV SAFE GUARD dog

McDonnell & Miller

751P-MT-120

751875045107

$326.12 EA
$652.23
3 In Stock
37-39 Mcdonnell & Miller 313300
Blowdown Gasket * Valve Gasket For 21 25 47 47-2 247 247-2 67 101A 101A24 767 847 851 851S 51 51-2 51S 51S2 And 53-2. ORDERED BY THE 10 PK, SOLD INDIVIDUALLY REPLACES: 313200

McDonnell & Miller

37-39

$10.20 EA
$20.39
28 In Stock
157S Mcdonnell & Miller 173502
Boiler Feed Pump/Low Water Cut-Off. 2 Snap Acting Switches 1 SPST 1 SPDT. Rating 7.4A @ 120V 3.7A @ 240V. 1 NPT equalizer Tappings. 1/2 NPT Tricock And gauge Glass Tappings. 157S Xylem-McDonnell & Miller 150w/WATER COL/SNAP SW#173502

McDonnell & Miller

157S

$1,599.40 EA
$3,198.80
9 In Stock
150-14 Mcdonnell & Miller 325700
Head Gasket For 150 157 93 And 193 Controls SOLD INDIVIDUALLY

McDonnell & Miller

150-14

$12.94 EA
$25.87
84 In Stock
92-68 Mcdonnell & Miller 323400
Head Gasket for 94 and 194 ORDERED IN PACKS OF 10 SOLD INDIVIDUALLY REPLACES: 323300

McDonnell & Miller

92-68

$15.75 EA
$31.50
48 In Stock
150S Mcdonnell & Miller 171702
Boiler Feed Pump Control. 1 SPST Pump Switch 1 SPST Low Water Cut-Off And Alarm. Rating 7.4A @ 120V 3.7A @ 240V. Automatic Reset.

McDonnell & Miller

150S

$1,186.80 EA
$2,373.59
24 In Stock
SA101-38 Mcdonnell & Miller 347100
Strainer Basket Assembly * Strainer Basket Assembly For 47 47-2 51 51-2 101A And 101A24.co12

McDonnell & Miller

SA101-38

$89.75 EA
$179.49
13 In Stock
67-12 Mcdonnell & Miller 318900
Float Gasket For. 61, 64, 67, 69, 80, 369, 764, 767, and 667 controls. PURCHASED BY THE 10 PACK; SOLD IND.

McDonnell & Miller

67-12

$10.19 EA
$20.37
45 In Stock
FPC-1000-P Mcdonell Miller 144705
Manual Reset Low Water Cut Off W/Test Button & Probe. Includes PA800 standard probe. Replaces: PS851-M120 550SV SAFE GUARD dog REPLACES: 176234, 176296, 153601

McDonnell & Miller

FPC-1000-P

$335.81 EA
$671.61
23 In Stock
37-26 Mcdonnell & Miller 313800
Body Gasket for 47, 247 LWCO'S * Body Gasket For 47 47-2 247 And 247-2. REPLACES: 312700 ORDERED BY THE PACK OF 10, SOLD INDIVIDUALLY

McDonnell & Miller

37-26

$18.40 EA
$36.79
35 In Stock
FPC-1000 Mcdonnell & Miller 144704
Electric Low Wtr Cutoff w/Switch, Manual Reset Less Probe for hot water boilers. Secondary control for commercial or industrial steam boilers. Maximum water temp 250F. Manual reset with test switch. Order probe separately. REPLACES: 750MT120 (176207)

McDonnell & Miller

FPC-1000

$230.67 EA
$461.34
47 In Stock
63 Mcdonnell & Miller 142400
Cutoff Switch * Low Water Cut Off Switch For Steam Or Hot Water heating Boilers SPDT 10.2A @ 120V 5.1A @ 240V. Max Boiler Pressure 50 PSI

McDonnell & Miller

63

$791.45 EA
$1,582.90
16 In Stock
51HD Mcdonnell & Miller 134900
Head Assembly For McDonnell Miller 51 Mech. Water Feeders. #2 SWITCH NOT INCLUDED. SPDT Switch Rating 10.2A @ 120V 5.1A @ 240V.

McDonnell & Miller

51HD

$1,377.36 EA
$2,754.72
14 In Stock
63HD Mcdonnell & Miller 142600
Head Assembly For 63MCD. SPDT Switch RaT10.2A @ 120V 5.1A @ 240V.

McDonnell & Miller

63HD

$736.33 EA
$1,472.65
14 In Stock
CTRD101 Mcdonnell & Miller 310453
Cartridge and strainer for 101A 101A24 47 247 & 847 series controls.

McDonnell & Miller

CTRD101

751875034637

$282.37 EA
$564.74
15 In Stock
P3SS Mcdonnell & Miller 179540
36 Probe for PCH and PCL * Sensor Probe For PCH And PCL Series Controls. 36 Inches Long. Same threads as Warrick rods.

McDonnell & Miller

P3SS

751875005545

$71.48 EA
$142.96
15 In Stock
  • Items 1-24 of 122. Page 1 of 6.