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68 products

Showing 1 - 48 of 68 products

Showing 1 - 48 of 68 products
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0382008-WATTS: S 740-3/4-30# 925,000 H20 RELF
Watts 0382008-WATTS: S 740-3/4-30# 925,000 H20 RELF
$146.15
In stock
0537-E01-HM0060: Kunkle 1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 60 PSI, 2790 lb/h(PPH), (2,790,364 BTU/h) Capacity, Bronze, B584 alloy 8440 Seat
Kunkle 0537-E01-HM0060: Kunkle 1" Female NPT Inlet X 1 1/4" Female NPT Outlet, Set at 60 PSI, 2790 lb/h(PPH), (2,790,364 BTU/h) Capacity, Bronze, B584 alloy 8440 Seat
$449.06
Available to Order
054-TEK: Tekmar 40-100F Room Temperature Unit
Tekmar 054-TEK: Tekmar 40-100F Room Temperature Unit
$135.79
Available to Order
10-301-05: 3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 550,000 btu Capacity, Hot Water Pressure Relief Valve
Conbraco - Apollo Valves 10-301-05: 3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 550,000 btu Capacity, Hot Water Pressure Relief Valve
$109.22
In stock
10-408-05: 3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 535,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV
Conbraco - Apollo Valves 10-408-05: 3/4" Female NPT Inlet X 3/4" Female NPT Outlet, Set at 30 PSI, 535,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME Section IV
$47.75
In stock
10-417-10: Conbraco 3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 50 PSI, 697,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME
Conbraco - Apollo Valves 10-417-10: Conbraco 3/4" Male NPT Inlet X 3/4" Female NPT Outlet, Set at 50 PSI, 697,000 btu Capacity, 250 degrees F Maximum Temperature Service, ASME
$41.22
In stock
10-605-05: 1"30#H2O RELIEF, 1,339,000 BTU
Conbraco - Apollo Valves 10-605-05: 1"30#H2O RELIEF, 1,339,000 BTU
$344.61
In stock
10-606-05: 1.25"x1.25" 30# 2,316,000btu
Conbraco - Apollo Valves 10-606-05: 1.25"x1.25" 30# 2,316,000btu
$580.09
In stock
10-607-05: 1.5"H2O 30# RELIEF, 3,151,000
Conbraco - Apollo Valves 10-607-05: 1.5"H2O 30# RELIEF, 3,151,000
$798.49
In stock
10-618-05: 2" Female NPT Inlet X 2 1/2" Female NPT Outlet, Set at 30 PSI, 6,091,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve
Conbraco - Apollo Valves 10-618-05: 2" Female NPT Inlet X 2 1/2" Female NPT Outlet, Set at 30 PSI, 6,091,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve
$1,292.76
Available to Order
10-618-20: Conbraco 2" Female NPT Inlet X 2 1/2" Female NPT Outlet, Set at 100 PSI, 15,924,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve
Conbraco - Apollo Valves 10-618-20: Conbraco 2" Female NPT Inlet X 2 1/2" Female NPT Outlet, Set at 100 PSI, 15,924,000 BTU Capacity, Hot Water High Capacity Pressure Relief Valve
$1,292.76
Available to Order
110121: Model 790, 3/4" #30, 790,000 BTU Relief Valve for Hydronic Systems
Bell & Gossett 110121: Model 790, 3/4" #30, 790,000 BTU Relief Valve for Hydronic Systems
$286.97
In stock
110124: 3/4" 50lb Relief Valve, 1160000 BTU for Hydronic Systems
Bell & Gossett 110124: 3/4" 50lb Relief Valve, 1160000 BTU for Hydronic Systems
$169.71
In stock
13-202-B15: 1" 15# Steam Relief, 643PPH
Conbraco - Apollo Valves 13-202-B15: 1" 15# Steam Relief, 643PPH
$105.55
In stock
13-211-B15: 3/4" Male NPT Inlet X 3/4" Female Outlet, Set at 15 PSI, 475 Pounds Per Hour Capacity, Section IV Steam Pressure Relief Valve
Conbraco - Apollo Valves 13-211-B15: 3/4" Male NPT Inlet X 3/4" Female Outlet, Set at 15 PSI, 475 Pounds Per Hour Capacity, Section IV Steam Pressure Relief Valve
$101.23
In stock
13-213-B15: 1.25x1.5"15# STEAM,1200 PPH
Conbraco - Apollo Valves 13-213-B15: 1.25x1.5"15# STEAM,1200 PPH
$178.91
In stock
13-214-B15: 1 1/2" Male NPT Inlet X 2" Female Outlet, Set at 15 PSI, 1900 Pounds Per Hour Capacity, Section IV Steam Pressure Relief Valve
Conbraco - Apollo Valves 13-214-B15: 1 1/2" Male NPT Inlet X 2" Female Outlet, Set at 15 PSI, 1900 Pounds Per Hour Capacity, Section IV Steam Pressure Relief Valve
$240.15
In stock
132-TEK: Pump Sequencing Controller Standby 2 stage
Tekmar 132-TEK: Pump Sequencing Controller Standby 2 stage
$733.15
In stock
150-TEK: One Stage Setpoint Controller
Tekmar 150-TEK: One Stage Setpoint Controller
$213.81
In stock
150S-HD: Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch Head Mechanism Only Part Number 173003
McDonnell Miller 150S-HD: Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch Head Mechanism Only Part Number 173003
$1,170.00
In stock
150S-M-HD: Combination Low Water Cut-Off and Pump Controller with Snap Acting Manual Reset SPDT Switch Head Mechanism Only (Part Number 172809)
McDonnell Miller 150S-M-HD: Combination Low Water Cut-Off and Pump Controller with Snap Acting Manual Reset SPDT Switch Head Mechanism Only (Part Number 172809)
$1,170.00
In stock
150S: Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch (Part Number 171702)
McDonnell Miller 150S: Combination Low Water Cut-Off and Pump Controller with Snap Acting SPDT Switch (Part Number 171702)
$1,331.62
In stock
153-TEK: Mixing Setpoint Control-Floating Acting
Tekmar 153-TEK: Mixing Setpoint Control-Floating Acting
$395.71
Available to Order
256-TEK: One Stage Boiler Reset Control
Tekmar 256-TEK: One Stage Boiler Reset Control
$209.25
In stock
260-TEK: Boiler Control One Stage DHW Control
Tekmar 260-TEK: Boiler Control One Stage DHW Control
$499.57
In stock
261-TEK: Boiler Control 2-stage & Set Point
Tekmar 261-TEK: Boiler Control 2-stage & Set Point
$546.69
In stock
284-TEK: Four tN4, BAS, Four Boiler, DHW & Setpoint, BACnet or Modbus
Tekmar 284-TEK: Four tN4, BAS, Four Boiler, DHW & Setpoint, BACnet or Modbus
$2,532.83
Available to Order
303P-TEK: Zone Pump Control - 3 zones with priority
Tekmar 303P-TEK: Zone Pump Control - 3 zones with priority
$174.49
Available to Order
354000: E-11M 120V 2-SPST M/R SWITCH
McDonnell Miller 354000: E-11M 120V 2-SPST M/R SWITCH
$501.49
Available to Order
354001: E-11M 24V 2-SPST M/R SWITCH
McDonnell Miller 354001: E-11M 24V 2-SPST M/R SWITCH
$261.30
In stock
354081: Probe for LWCO 750-MT
McDonnell Miller 354081: Probe for LWCO 750-MT
$126.00
In stock
354083: 3/4" NPT Replacement Short Probe with Self Cleaning Tip for RB-122 Series (Model PA-RB-122)
McDonnell Miller 354083: 3/4" NPT Replacement Short Probe with Self Cleaning Tip for RB-122 Series (Model PA-RB-122)
$133.67
In stock
360-TEK: Mixing Control (Floating Action)
Tekmar 360-TEK: Mixing Control (Floating Action)
$612.05
In stock
374-TEK: Universal Reset Control - Two mixing, Two stage boiler, DHW & Setpoint
Tekmar 374-TEK: Universal Reset Control - Two mixing, Two stage boiler, DHW & Setpoint
$1,411.57
Available to Order
401488: 79 H2O VENT 1/2f 3/4m 75# MAX
Bell & Gossett 401488: 79 H2O VENT 1/2f 3/4m 75# MAX
$192.00
In stock
41913: Sleeve Coupling Insert, 5JE EPDM
Crown Engineering 41913: Sleeve Coupling Insert, 5JE EPDM
$38.80
In stock
500SV: 24vM/R LWCOw/Test&Lite,Short Probe
Hydrolevel Company 500SV: 24vM/R LWCOw/Test&Lite,Short Probe
$290.60
In stock
511-624-302: WeilMclain 1.40"wc SPST dual 1/4" barb connection Pressure Switch
Weil McLain 511-624-302: WeilMclain 1.40"wc SPST dual 1/4" barb connection Pressure Switch
$81.11
Available to Order
519-TEK: Radiant Thermostat - One stage heat (includes sensor 079)
Tekmar 519-TEK: Radiant Thermostat - One stage heat (includes sensor 079)
$126.40
Available to Order
550002858: 110-200F SPST IMERSN AQUASTAT
Utica 550002858: 110-200F SPST IMERSN AQUASTAT
$492.55
Available to Order
550SV: 120vM/R LWCOw/Test&Lite & Short Probe
Hydrolevel Company 550SV: 120vM/R LWCOw/Test&Lite & Short Probe
$283.85
In stock
58RL12: 5/8" OD X 12" L REDLINE GAUGE GLASS
Crown Engineering 58RL12: 5/8" OD X 12" L REDLINE GAUGE GLASS
$25.18
In stock
58RL20: 5/8" OD X 20" L REDLINE GAUGE GLASS
Crown Engineering 58RL20: 5/8" OD X 20" L REDLINE GAUGE GLASS
$42.60
In stock
63-M: McDonnell & Miller 1" NPT, 50 PSI Max Boiler Pressure, Manual Reset Mechanical Low Water Cut Off for Hot Water and Steam Boilers (Part Number
McDonnell Miller 63-M: McDonnell & Miller 1" NPT, 50 PSI Max Boiler Pressure, Manual Reset Mechanical Low Water Cut Off for Hot Water and Steam Boilers (Part Number
$832.50
In stock
64-HD: Auto Reset Mechanical Low Water Cut Off for Hot Water and Steam Boilers with 50 PSI Max Boiler Pressure Head Mechanism Only (Part Number 144400)
McDonnell Miller 64-HD: Auto Reset Mechanical Low Water Cut Off for Hot Water and Steam Boilers with 50 PSI Max Boiler Pressure Head Mechanism Only (Part Number 144400)
$634.50
In stock
654-TEK: Snow Melt Control
Tekmar 654-TEK: Snow Melt Control
$640.43
Available to Order
670-TEK: WiFi Snow Melting Control 670 - Boiler & Mixing / Electric
Tekmar 670-TEK: WiFi Snow Melting Control 670 - Boiler & Mixing / Electric
$2,103.68
Available to Order
680-TEK: Snow Control Control - BAS, Boiler & Mixing
Tekmar 680-TEK: Snow Control Control - BAS, Boiler & Mixing
$2,579.44
Available to Order

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