Brands
Hydronic And Steam Specialties
SA37-38 Mcdonnell & Miller 340700
Basket Assembly * Strainer Basket Assembly For 851S & 53-2
McDonnell & Miller
SA37-38
$73.87
EA
$147.74
4 In Stock
SA47-4 Mcdonnell & Miller 341500
Sylphon Assembly * Sylphon Assembly For 47 47-2 247 247-2 And 847.
McDonnell & Miller
SA47-4
$321.20
EA
$819.59
1 In Stock
247-2 Mcdonnell & Miller 133800
Water Feeder * Water Feeder For Steam Or Hot Water Boilers. SPDT Cut-Off Switch. Rating 10.2A @ 120V 5.1A @ 240V. Max Boiler Pressure 30 PSI
McDonnell & Miller
247-2
$1,218.82
EA
$2,437.63
3 In Stock
250-1-125 Mcdonnell & Miller 182525
1 Blr Rlf Vlv 125PSI 3,735,000 BTU * Relief Valve For Hot Water Heating Systems. 1 Fpt 125 PSI 3,735,000 BTUh
McDonnell & Miller
250-1-125
$280.62
EA
$561.24
1 In Stock
369MCD Mcdonnell & Miller 155300
Cutoff Switch * Low Water Cutoff Switch For Steam BoileR2 SPST Switches 1 For Boiler Cut-Off & 1 For Boiler Feed. 7.4A @ 120 3.7A @ 240Insertion Length 1-3/4 . Fits 2-1/2 NPT boiler Tapping. Max Boiler Press 20 PSI.
McDonnell & Miller
369MCD
$463.24
EA
$926.48
2 In Stock
51S2 Mcdonnell & Miller 135900
High Capacity Water Feeder For Steam And Hot Water Boilers. Includes SPDT Switch. Rating 10.2A @ 120V 5.1A @ 240V. Max Pressure 35 PSI. For Boilers Up 35000 Sq.Ft/Hour
McDonnell & Miller
51S2
$1,812.50
EA
$3,624.99
2 In Stock
767 Mcdonnell & Miller 153700
Cutoff Switch * Low Water Cutoff And Boiler Feed With Blowdown Valve. Side Mounted 2-1/2 NPT 2 SPST Switches 1 For Cutoff 1 For Boiler Feed. Rating 7.4A @ 120V 3.7A @ 240V. Max Press. 20 PSI.
McDonnell & Miller
767
$498.87
EA
$997.74
2 In Stock
7B1R Mcdonnell & Miller 309000
Replacement Pot w/ Wire Kit * Replacement Potentiometer Only For Above
McDonnell & Miller
7B1R
$253.88
EA
$507.76
1 In Stock
851 Mcdonnell & Miller 136700
Water Feeder * Water Feeder For Condensate Receivers. 35 PSI Max. Receiver Pressure. 150 PSI Max Supply Water Pressure.
McDonnell & Miller
851
$1,173.09
EA
$2,346.18
1 In Stock
851S Mcdonnell & Miller 136800
Water Feeder * Water Feeder For Condensate Receivers. 35 PSI Receiver Pressure. 100 PSI Max Supply Pressure.
McDonnell & Miller
851S
$1,353.90
EA
$2,707.79
1 In Stock
TC4 Mcdonnell & Miller 195000
Test-n-Check * Test-N-Check Valves For Testing Low Water Cut-Offs On Hot Water Boilers. 1 NPT. 160 PSI Max Pressure.
McDonnell & Miller
TC4
$714.44
EA
$1,428.87
2 In Stock
S4 Mcdonnell & Miller 179529
Spacer For Probes * Spacer Used To Prevent Sensors From Touching. Should Be Used Whenever Two Or More Sensors Greater Than 36 Are Used.
McDonnell & Miller
S4
$65.04
EA
$130.07
1 In Stock