Categories
Hydronic And Steam Specialties
Backflow Preventers
(2)
Boiler Feeds and Cutoffs
(106)
Check Valves
(4)
Circuit Setters
(5)
Condensate Pumps
(17)
Drain Valves
(2)
Expansion Tanks
(9)
Flow Control valves
(7)
Pressure Reducing Valves
(9)
Pressure Relief Valves
(44)
Pump Sequencers
(1)
Pumps
(233)
Sight Glasses & Accessories
(27)
Steam Traps
(38)
Strainers
(4)
Tridicator Gauges
(9)
Vacuum Breakers
(1)
Vents
(24)
Brands
Hydronic And Steam Specialties
247-2 Mcdonnell & Miller 133800 Water Feeder
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
Brand:McDonnell & Miller, Item:247-2, :16335
$2,112.45
EA
$3,017.78
1 In Stock
250-1-30 Mcdonnell & Miller 181925 Relief Valve For Hot Water Heating
Relief Valve For Hot Water Heating Systems. 1 Fpt 30 PSI 1170000 BTUh.
Brand:McDonnell & Miller, Item:250-1-30, :16467
$472.95
EA
$675.64
2 In Stock
250-3/4-30 181225 Mcdonnell Miller Relief Valve For Hot Water Heating
Relief Valve For Hot Water Heating Systems. 3/4 Fpt 30 PSI 790000 BTUh. OBSOLETE
Brand:McDonnell & Miller, Item:250-3/4-30, :16484
$291.53
EA
$416.47
1 In Stock
25A Mcdonnell & Miller 126800 Water Feeder For Condensate
Water Feeder For Condensate Receivers Includes Float Bowl. 35 PSI Maximum Receiver Pressure. 150 PSI Maximum Supply Water Pressure.
Brand:McDonnell & Miller, Item:25A, :16964
$2,240.33
EA
$3,200.47
4 In Stock
25AHD Mcdonnell & Miller 127100 Head Assembly For 25A
Head Assembly For 25A * Head Assembly For McDonnell Miller 25A Make Up Water Feeder.
Brand:McDonnell & Miller, Item:25AHD, :16968
$1,976.83
EA
$2,824.04
5 In Stock
26-305-28 Conbraco Tri-Cock Valve, 1/2 MPT,
Tri-Cock Valve, 1/2 MPT, Max 250 PSI, Polished Brass. *
Brand:Conbraco, Item:26-305-28, :17060, UPC:670750534430
$56.16
EA
$131.74
60 In Stock
260-1-1/2-30 Mcdonnell & Miller 182625 3 Blr Relief 30PSI 3300K BTU
182625 3 Blr Relief 30PSI 3300K BTU * Relief Valve For Hot Water Heating Systems. 1-1/2 Fpt Inlet 2 Fpt Outlet 30 PSI 3300000 BTUh.
Brand:McDonnell & Miller, Item:260-1-1/2-30, :17100
$1,718.21
EA
$2,454.59
2 In Stock
294 Tekmar 4 STAGE BOILER CONTROL includes 2
4 STAGE BOILER CONTROL includes 2 universal sensors and a outdoor air sensor (Replaces 264)
Brand:Tekmar, Item:294, :165089
$1,352.69
EA
$2,996.74
1 In Stock
2M Mcdonnell & Miller 110100 Manual Reset Switch For 47-2 51-2
Manual Reset Switch For 47-2 51-2 51S263 And 247-2.
Brand:McDonnell & Miller, Item:2M, :18458
$387.53
EA
$552.75
9 In Stock
30 Flexcon Htx30 Ex-Trol Tank
Ex-Trol Tank 4.5 gallon* Flexcon Hydronic Expansion Tank Diaphragm type 12 PSI 1/2 Mpt Bottom Connection
Brand:Flexcon, Item:30, :88718, UPC:795033083426
$84.87
EA
$199.09
12 In Stock
324500 Mcdonnell & Miller 324500 Gasket 37-101
Gasket 37-101 * Gasket For 25A 101A And 101A24. PURCHASED AS 5PK SOLD INDIVIDUALLY REPLACES: 324435
Item:324500, :151323
$34.86
EA
$49.80
8 In Stock
34RL16 Crown 3/4 INCH REDLINE GAUGE GLASS 16
3/4 INCH REDLINE GAUGE GLASS 16 INCHES LONG 310# WATER RATING UP TO 150F, MAX STEAM RATING 265#.
Brand:Crown Engineering, Item:34RL16, :159181
$28.58
EA
$67.71
1 In Stock
34RL18 Crown Engineering 3/4 x 18" Redline Sightglass.
3/4 x 18" Redline Sightglass. Steam rating 250 PSI, 425F. Replaces H-19260
Brand:Crown Engineering, Item:34RL18, :160949
$35.49
EA
$84.07
4 In Stock
34RL24 Crown Engineering 3/4 x 24" Redline Sightglass.
3/4 x 24" Redline Sightglass. Steam rating 250 PSI, 425F.
Brand:Crown Engineering, Item:34RL24, :176726
$42.83
EA
$101.47
1 In Stock
354000 Mcdonnell & Miller E-11m-120 11M Switch, Manual Reset for 120
11M Switch, Manual Reset for 120 Volt circuits only. Replaces 11M 309151 120V only
Item:354000, :152224
$606.89
EA
$866.98
8 In Stock
369MCD Mcdonnell & Miller 155300 Cutoff Switch
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.
Brand:McDonnell & Miller, Item:369MCD, :23246
$807.06
EA
$1,152.94
1 In Stock
37-26 Mcdonnell & Miller 313800 Body Gasket for 47, 247 LWCO'S
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
Brand:McDonnell & Miller, Item:37-26, :152006
$28.57
EA
$40.75
34 In Stock
37-27 Mcdonnell & Miller 313900 Valve Bracket Gasket For 47 47-2
Valve Bracket Gasket For 47 47-2 247 247-2 847 851 851S 51 51-2 51S 51S2 And 53-2. REPLACES: 312800 ORDERED AS 5 PK SOLD INDIVIDUALLY
Brand:McDonnell & Miller, Item:37-27, :153531, UPC:313900
$15.51
EA
$22.13
6 In Stock
37-28 Mcdonnell & Miller 314100 Valve Gasket
Valve Gasket * Valve Gasket For 851S 21 25A And 53-2. PURCHASED AS A 5 PACK, SOLD INDIVIDUALLY REPLACES: 312900
Brand:McDonnell & Miller, Item:37-28, :148932
$15.51
EA
$22.16
5 In Stock
37-39 Mcdonnell & Miller 313300 Blowdown Gasket
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
Brand:McDonnell & Miller, Item:37-39, :151616
$15.97
EA
$22.81
22 In Stock
374A3/4 Watts F358553 Blr Relief 3/4" 30PSI
Blr Relief 3/4" 30PSI 374A-3/4-30 550,000BTU RELF VL Water Pressure Relief Valve. Set 30 Lbs.3/4 X 3/4 Fpt.
Brand:Watts, Item:374A3/4, :23513, UPC:098268018042
$135.45
EA
$260.49
31 In Stock
401413 Hoffman 4a 1/2 or 3/4 Steam Vent
1/2 or 3/4 Steam Vent * Main Line Steam Vent For Small One Or Two Pipe Steam Systems. Operating Pressure 2 PSI. Max Pressure 10 PSI. 1/2 Fpt Or 3/4 Mpt Connection.
Brand:Hoffman Specialty, Item:401413, :28504
$128.09
EA
$182.99
5 In Stock
401416 Hoffman 4 Steam Vent
Steam Vent Return Line Steam Vent. 1/2fpt or 3/4mpt Connections 25psi Max Operating Pressure.
Brand:Hoffman Specialty, Item:401416, :24561
$188.88
EA
$269.83
3 In Stock
401422 Hoffman 1a Angle Radiator Type Vent Adjustable
Angle Radiator Type Vent Adjustable Vent Port. 1-1/2 PSI Operating. 10 PSI Max. 1/8 Mpt Connection.
Brand:Hoffman Specialty, Item:401422, :11635, UPC:751875018293
$109.42
EA
$150.57
46 In Stock