Tekmar

Watts

Caleffi

Legend

Tribal

Grundfos

Axiom

Calefactio

Laars

Webstone

AIC

Nibco

Taco

9-13/16"

10 3/4 in.

1/2 in.

3/4 in.

1/2 in. IPS x Flange

3/4 in. IPS x Flange

1 in. IPS x Flange

1 1/4 in. IPS x Flange

1 1/2 in. IPS x Flange

2 in. IPS x Flange

1/2 in. FIP x MIP x FIP x Hose

1 in. IPS

1 1/4 in. IPS

3/4 in. SWT x Flange

1 in. SWT x Flange

1 1/4 in. SWT x Flange

1 1/2 in. SWT x Flange

2 in. SWT x Flange

3/4 in. SWT x Rotating Flange

1 in. SWT x Rotating Flange

1 1/4 in. SWT x Rotating Flange

1 1/2 in. SWT x Rotating Flange

1 in. x 3/4 in. C×C (1 in. Primary Loop)

1 in. x 1 in. C×C (1 in. Primary Loop)

1 1/4 in. x 3/4 in. C×C (1 1/4 in. Primary Loop)

1 1/4 in. x 1 in. C×C (1 1/4 in. Primary Loop)

1 1/4 in. x 1 1/4 in. C×C (1 1/4 in. Primary Loop)

2 in.

1 1/4 in. IPS x Rotationg Flanges

1 1/2 in. IPS x Rotationg Flanges

1 1/2 in.

1 in.

1 1/4 in.

1-1/4 in.

1-1/2 in.

1 in. SWT

1 1/4 in. SWT

1 in. Union

2.1

4.8

4.7

3.2

Brass

Low Lead Brass

Lead Free* Brass

Forged Brass

Stainless Steel 304 (ASTM A 240)

steel

DZR low-lead brass (<0.25% lead content)

cast iron

Steel FE360

1/2 in. 2 3/8 in.

7-1/4 in.

4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 mm)

4-1/2" H x 2-7/8" W x 1-1/2" D (73 x 114 x 38 mm)

1-3/4" H x 3-7/16" OD (45 mm H x 87 mm OD)

3-13/16" H x 3-1/2" OD (97 mm H x 89 OD mm)

1-15/16" H x 3-5/32" OD (50 mm H x 80 OD mm)

8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)

3-1/4" W x 2-1/16" L x 1-7/8" H (82 x 54 x 50 mm)

4-3/4" H x 2-7/8 W x 1-7/16" D (121 x 73 x 37 mm)

3" H x 1-9/16" W x 2-3/8" D (75 x 40 x 60 mm)

2-1/8" H x 9/16" W x 9/16" D (54 x 14 x 14 mm)

3/8" OD x 1 1/2" (10 mm OD x 38 mm)

3/16" OD x 1-1/2" (5 mm OD x 38 mm)

6-5/8” H x 7-9/16” W x 2-13/16” D (170 x 193 x 72 mm)

5.5” H x 5.5” W x 2.25” D

4-5/8" H x 3" W x 15/16" D (118 x 76 x 24 mm)

4-3/4" H x 2-7/8" W x 7/8" D (120 x 74 x 22 mm)

2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)

3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)

5.5" H x 5.5" W x 2.25" D (140 x 140 x 57 mm)

3/8" OD x 3/4" (9.5 OD x 19 mm)

13-3/4" (349 mm) length x 3-5/8" (92.8 mm) dia x 2-13/16" (71 mm) x 3" (76.2 mm) dia

4-3/4" H x 3-15/16" W x 3/16" D (120 x 100 x 4.3 mm)

4" L x 4" W x 5-7/8" H (102 x 102 x 150 mm)

2-5/8" H x 1-9/16" W x 1-11/16" D (67 x 40 x 43 mm)

4-1/2" H x 2-7/8" W x 1/2" D (114 x 73 x 13 mm), 3/16" D (5 mm) when installed

4" W x 8" H x 5" L (100 mm x 203 mm x 127 mm)

4 1/2 in.

5-11/16 in.

3/6 in.

24V AC/DC

24 V (ac) ±10%, 60 Hz, 3 VA min, 99 VA max, Class 2

15 to 30 V (ac/dc), 2 VA, Class 2

120 V (ac) ±10%, 50/60 Hz, 1300 VA

115 V (ac) ±10%, 60 Hz, 20 A

10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA standby, 56 VA max fully loaded, Class 2

24 V (ac) plus / minus 10 percent, 50/60 Hz, 3 VA, 24 V (dc) plus / minus 10 percent, 0.03 A

24 V ±10%, 60 Hz, 2 VA standby, NEC / CEC Class 2

24 V (ac) plus / minus 10 percent, 60 Hz, 100 VA max, Class 2

1 x 115 V

1 x 115 V, ± 10%, 60 Hz

115 V 50/60 Hz

120 V (ac) ± 10%, 60 Hz

115 V (ac) ± 10%, 60 Hz

120 V (ac) ±10%, 60 Hz

24 V (ac) +10%, -20%, 50 Hz 2.7 VA, 60 HZ 2.3 VA

120 V (ac) +10%, -20%, 50 Hz 2.7 VA, 60 HZ 2.3 VA

1 1/2 in. IPS

1 1/2 IPS

1 1/4 in. SWT

1 1/2 in. SWT

1 1/4 in. IPS

1 1/4 IPS

1 in. SWT

1-1/2 in.

1-1/4 in.

1 in.

6 1/2 in

5.31" (135 mm)

6 1/2"

White PVC plastic

Blue PC+ABS plastic

1 in.

3/4 in.

1 1/4 in.

3/4 in.

1 in.

1 1/4 in.

1 1/2 in.

HDPE sleeve, 20 FT (6 m) HDPE jacketed wire

316 stainless steel, 10 FT (3 m) 24 AWG, 300 volt PVC insulated Zipcord

Brass sleeve, 15' (4.6 m) 18 AWG, HDPE jacket, 300 V cable

115 V 50/60 Hz

15 to 30 V (ac/dc), 2 VA, Class 2

24 V (ac) ± 10%, 50/60 Hz, 3.2 VA, NEC / CEC Class 2

10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA, Class 2

120 V via DC plug power supply

Price Range

Products
Heating System Controls

Heating System Controls

Domestic Mixing Valves
Air Separation
Axiom
Boiler Headers
Expansion Tanks
Flow Control
Gauges
Heat Exchanger
Pumps
Pump Station
Thermostats
Zone Controls
Zone Valves
Boiler / DHW Controls
Gateway
Miscellaneous
Mixing Controls
Pump Flanges
Sensors
Setpoint and Pump Controls

Sort By Sort By: Price - High to Low

Featured Newest Arrivals Name (A-Z) Price - Low to High Price - High to Low

548102A

Caleffi Hydroseparator 4 in. Flanged

$ 4,875.26

548082A

Caleffi Hydroseparator 3 in. Flanged

$ 4,357.08

548062A

Caleffi Hydroseparator 2 1/2 in. Flanged

$ 3,480.96

600096A

Caleffi LegioMix® Electronic Mixing Valve 2 in. Press Union 47Cv

$ 3,450.04

548052A

Caleffi Hydroseparator 2 in. Flanged

$ 3,269.28

600086A

Caleffi LegioMix® Electronic Mixing Valve 1 1/2 in. Press Union 34Cv

$ 3,258.94

600094A

Caleffi LegioMix® Electronic Mixing Valve 2 in. NPT Union 47Cv

$ 3,239.83

600099A

Caleffi LegioMix® Electronic Mixing Valve 2 in. Sweat Union 47Cv

$ 3,197.51

600084A

Caleffi LegioMix® Electronic Mixing Valve 1 1/2 in. NPT Union 34Cv

$ 3,154.52

600089A

Caleffi LegioMix® Electronic Mixing Valve 1 1/2 in. Sweat Union 34Cv

$ 3,116.98

284

Tekmar Boiler Control-Four tN4, BAS, Four Boiler, DHW & Setpoint

$ 2,858.32

600076A

Caleffi LegioMix® Electronic Mixing Valve 1 1/4 in. Press Union 24Cv

$ 2,813.27

600074A

Caleffi LegioMix® Electronic Mixing Valve 1 1/4 in. NPT Union 24Cv

$ 2,794.16

600066A

Caleffi LegioMix® Electronic Mixing Valve 1 in. Press Union 21Cv

$ 2,766.17

600079A

Caleffi LegioMix® Electronic Mixing Valve 1 1/4 in. Sweat Union 24Cv

$ 2,745.70

600064A

Caleffi LegioMix® Electronic Mixing Valve 1 in. NPT Union 21Cv

$ 2,709.53

600069A

Caleffi LegioMix® Electronic Mixing Valve 1 in. Sweat Union 21Cv

$ 2,699.29

166612A

Caleffi HydroMixer thermostatic fixed temperature mixing unit, Alpha 25-55U LH

$ 1,682.42

166602A

Caleffi HydroMixer thermostatic fixed temperature mixing unit, Alpha 25-55U

$ 1,682.42

406

Tekmar tN2 House Control -Heat Pump & Backup, Four Zone Valves

$ 1,605.14

374

Tekmar Universal Reset Control - Two Mixing, Two Boiler, DHW, SP

$ 1,552.32

166610A

Caleffi HydroMixer thermostatic fixed temperature mixing unit, UPS 15-58 LH

$ 1,458.24

166600A

Caleffi HydroMixer thermostatic fixed temperature mixing unit, UPS 15-58 RH

$ 1,458.24

482

Tekmar Tekmar 482 tN4 Gateway - RS232

$ 1,436.97

094

Tekmar Snow / Ice Sensor - 210 in. (64 m) Wire

$ 1,400.86

HGTEV-200

Calefactio 78 Gallon Potable Water System Expansion Tank, Floor Standing

$ 1,117.88

486

tekmarNet Gateway 486 - Cloud Connectivity with Web & Mobile App

$ 1,093.63

403

Tekmar tN2 House Control -Boiler, DHW & Setpoint, Mixing, Four Zone Pumps

$ 1,069.38

422

Tekmar Universal Reset Module - Two tN4, Mixing, Boiler, DHW & SP

$ 1,063.99

HGTEV-180

Calefactio 60 Gallon Potable Water System Expansion Tank, Floor Standing

$ 989.63

402

Tekmar tN2 House Control -Boiler, DHW & Setpoint, Mixing, Four Zone Valves

$ 962.12

HGTV-150

Calefactio 74 Gallon Heating System Expansion Tank, Floor Standing

$ 931.13

DMF300

Axiom 17 Gallon Digital System Feeder

$ 883.92

090

Tekmar Snow / Ice Sensor - 65 in. (20 m) Wire

$ 861.32

548009A

Caleffi Hydroseparator 2 in. NPT Union

$ 839.37

132

Tekmar Pump Sequencer-Stand-by / 2-Stage

$ 838.68

401

Tekmar tN2 House Control -Boiler, DHW & Setpoint, Four Zone Pumps

$ 832.22

HGTV-110

Calefactio 57 Gallon Heating System Expansion Tank, Floor Standing

$ 826.50

400

Tekmar tN2 House Control -Boiler, DHW & Setpoint, Four Zone Valves

$ 816.59

548099A

Caleffi Hydroseparator 2 in. Sweat Union

$ 801.15

346

Tekmar Power Manager- Three Auxiliary Pumps, Four Demands

$ 797.18

361

Tekmar Mixing Control - Variable Speed

$ 774.54

ALPHA2 26-99F

Grundfos ALPHA2 29-99, Cast iron flanged, 115V, AutoAdapt

$ 733.04

548008A

Caleffi Hydroseparator 1-1/2 in. NPT Union

$ 720.30

MF200

Axiom 6 Gallon System Feeder

$ 710.38

360

Tekmar Mixing Control - Floating Action

$ 700.16

ALPHA HWR 15-55 SU/T

Grundfos ALPHA HWR 15-55 SU/T Domestic Hot Water Recirculator

$ 661.90

334

Tekmar tN2 Zone Manager - Four Zones, Cooling & Fan

$ 654.35

H-4FK4-WIF

Webstone Hydro-Core Flex Kit for Wall Hung Boiler, 1 in NPT Boiler Connection

$ 632.92

800-837F

Legend Hydroseparator 1-1/2 in. NPT Union

$ 628.65

335

Tekmar Zone Manager - Six Zone Valves

$ 623.08

261

Tekmar Boiler Control - Two Stage Boiler & Setpoint

$ 620.93

HGTEV-80

Calefactio 44 Gallon Potable Water System Expansion Tank, Floor Standing

$ 618.00

557

Tekmar tekmarNet Thermostat - Radiant Floor, 2 Heat Pump/Cool, Backup, Humidity

$ 599.91

P2135800

Laars FT 199 Boiler Manifold

$ 593.91

260

Tekmar Boiler Control - One Stage Boiler & DHW

$ 571.34

P2135900

Laars FT 100-140 Boiler Manifold

$ 558.24

Caleffi Hydraulic Separator - Installation Tips

548007A

Caleffi Hydroseparator 1-1/4 in. NPT Union

$ 549.78

HGTV-90

Calefactio 40 Gallon Heating System Expansion Tank, Floor Standing

$ 548.63

336

Tekmar Zone Manager - Four Zone Pumps

$ 546.55

002

Tekmar 10K Temperature Simulator

$ 536.30

444

Tekmar Mixing Expansion Module 444 - Variable Speed / Floating

$ 512.59

UPS26-99FC

Grundfos 3-Speed, 1/6 HP High Head Circulator, 115VAC

$ 512.47

ALPHA CS 15-55 SU7P/TLC

Grundfos Alpha Comfort System 15-55 SU7P/TLC Domestic Hot Water Recirculator

$ 496.86

HP-BHM-125

Watts 1-1/4 in. Boiler Header Module

$ 483.34

HP-BHM-100

Watts 1 in. Boiler Header Module

$ 470.13

800-835F

Legend Hydroseparator 1 in. NPT Union

$ 465.87

LB31-30XJ

AIC 30 Plate 5 in. x 12 in. (1 in. MPT) Brazed Plate 500K BTU Heat Ex.

$ 460.18

548006A

Caleffi Hydroseparator 1 in. NPT Union

$ 457.91

HP-BHM-75

Watts 3/4 in. Boiler Header Module

$ 455.89

153

Tekmar Mixing Setpoint Control - Floating Action

$ 453.30

324

Tekmar tN2 Zone Expansion Module -Four Zones, Cooling & Fan

$ 452.22

325

Tekmar Zone Expansion Module - Six Zone Valves

$ 428.51

356

Tekmar Mixing Control - Variable Speed

$ 410.18

553

Tekmar tekmarNet® - Two Stage Heat, One Stage Cool, One Fan Programmable Thermostat

$ 402.63

H-48865-45

Webstone 1-1/2 in. x 1-1/4 in. Hydro-Core Flange Left Manifold w/Ball Valves & Drains

$ 397.58

H-48765-45

Webstone 1-1/2 in. x 1-1/4 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains

$ 397.58

P2134400

Laars FT Combi Boiler Manifold

$ 395.94

551009A

Caleffi Discal Air Separator 2 in. NPT

$ 376.32

314

Tekmar tN2 Wiring Center -Four Zone Pumps

$ 358.97

D3499480

1-13 GPM FlowGuard Flow Setter and Indicator

$ 354.11

H-58865-0

Webstone 1-1/2 in. Sweat Run x 1-1/4 in. Hydro-Core Left

$ 350.12

H-58765-55

Webstone 1 1/2 in. Sweat Run x 1 1/4 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains

$ 350.12

313

Tekmar tN2 Wiring Center -Four Zone Valves

$ 346.04

563

Tekmar WiFi Thermostat 563 - Conventional 2H/2C or Heat Pump 4H/2C

$ 341.80

257

Tekmar DHW Control -Two Stage

$ 341.19

ALPHA 15-58F

Grundfos ALPHA, Cast iron flanged, 115V, 1/20 HP, AutoAdapt, Bluetooth

$ 338.52

316

Tekmar tN4 Wiring Center -Four Zone Pumps

$ 337.95

HGTEV-60

Calefactio 30 Gallon Potable Water System Expansion Tank, Floor Standing

$ 334.88

H-48354-44

Webstone 1-1/4 in. x 1 in. Hydro-Core Double Union Manifold w/Ball Valves & Drains

$ 334.73

091

Tekmar Snow / Ice Sensor Socket

$ 332.15

152

Tekmar Two Stage Setpoint Control

$ 329.33

564

Tekmar Invita WiFi Thermostat 564 - Radiant Floor, 2 Heat Pump/Cool, Humidity

$ 328.79

807-001

Legend HX-100 (3/4" MPT) Brazed Plate 50K BTU 10 Plate Heat Exchanger

$ 324.36

306P

Tekmar Switching Relay Six Zones with Priority

$ 319.09

H-58354-0

Webstone 1-1/4 in. Sweat x 1 in. Hydro-Core Double Union Manifold w/Ball Valves & Drains

$ 315.62

H-48754-0

Webstone 1-1/4 in. x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains

$ 315.62

H-48354-0

Webstone 1-1/4 in. x 1 in. Hydro-Core Double Union Manifold w/Ball Valves & Drains, No Unions

$ 315.62

562

Tekmar WiFi Thermostat 562 - Two Stage Heat, One Stage Cool, Fan

$ 310.46

HGTEV-42

Calefactio 20 Gallon Potable Water System Expansion Tank, Floor Standing

$ 309.00

Tekmar

Watts

Caleffi

Legend

Tribal

Grundfos

Axiom

Calefactio

Laars

Webstone

AIC

Nibco

Taco

9-13/16"

10 3/4 in.

1/2 in.

3/4 in.

1/2 in. IPS x Flange

3/4 in. IPS x Flange

1 in. IPS x Flange

1 1/4 in. IPS x Flange

1 1/2 in. IPS x Flange

2 in. IPS x Flange

1/2 in. FIP x MIP x FIP x Hose

1 in. IPS

1 1/4 in. IPS

3/4 in. SWT x Flange

1 in. SWT x Flange

1 1/4 in. SWT x Flange

1 1/2 in. SWT x Flange

2 in. SWT x Flange

3/4 in. SWT x Rotating Flange

1 in. SWT x Rotating Flange

1 1/4 in. SWT x Rotating Flange

1 1/2 in. SWT x Rotating Flange

1 in. x 3/4 in. C×C (1 in. Primary Loop)

1 in. x 1 in. C×C (1 in. Primary Loop)

1 1/4 in. x 3/4 in. C×C (1 1/4 in. Primary Loop)

1 1/4 in. x 1 in. C×C (1 1/4 in. Primary Loop)

1 1/4 in. x 1 1/4 in. C×C (1 1/4 in. Primary Loop)

2 in.

1 1/4 in. IPS x Rotationg Flanges

1 1/2 in. IPS x Rotationg Flanges

1 1/2 in.

1 in.

1 1/4 in.

1-1/4 in.

1-1/2 in.

1 in. SWT

1 1/4 in. SWT

1 in. Union

2.1

4.8

4.7

3.2

Brass

Low Lead Brass

Lead Free* Brass

Forged Brass

Stainless Steel 304 (ASTM A 240)

steel

DZR low-lead brass (<0.25% lead content)

cast iron

Steel FE360

1/2 in. 2 3/8 in.

7-1/4 in.

4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 mm)

4-1/2" H x 2-7/8" W x 1-1/2" D (73 x 114 x 38 mm)

1-3/4" H x 3-7/16" OD (45 mm H x 87 mm OD)

3-13/16" H x 3-1/2" OD (97 mm H x 89 OD mm)

1-15/16" H x 3-5/32" OD (50 mm H x 80 OD mm)

8-3/16" H x 10-11/16" W x 2-3/8" D (208 x 271 x 60 mm)

3-1/4" W x 2-1/16" L x 1-7/8" H (82 x 54 x 50 mm)

4-3/4" H x 2-7/8 W x 1-7/16" D (121 x 73 x 37 mm)

3" H x 1-9/16" W x 2-3/8" D (75 x 40 x 60 mm)

2-1/8" H x 9/16" W x 9/16" D (54 x 14 x 14 mm)

3/8" OD x 1 1/2" (10 mm OD x 38 mm)

3/16" OD x 1-1/2" (5 mm OD x 38 mm)

6-5/8” H x 7-9/16” W x 2-13/16” D (170 x 193 x 72 mm)

5.5” H x 5.5” W x 2.25” D

4-5/8" H x 3" W x 15/16" D (118 x 76 x 24 mm)

4-3/4" H x 2-7/8" W x 7/8" D (120 x 74 x 22 mm)

2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)

3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)

5.5" H x 5.5" W x 2.25" D (140 x 140 x 57 mm)

3/8" OD x 3/4" (9.5 OD x 19 mm)

13-3/4" (349 mm) length x 3-5/8" (92.8 mm) dia x 2-13/16" (71 mm) x 3" (76.2 mm) dia

4-3/4" H x 3-15/16" W x 3/16" D (120 x 100 x 4.3 mm)

4" L x 4" W x 5-7/8" H (102 x 102 x 150 mm)

2-5/8" H x 1-9/16" W x 1-11/16" D (67 x 40 x 43 mm)

4-1/2" H x 2-7/8" W x 1/2" D (114 x 73 x 13 mm), 3/16" D (5 mm) when installed

4" W x 8" H x 5" L (100 mm x 203 mm x 127 mm)

4 1/2 in.

5-11/16 in.

3/6 in.

24V AC/DC

24 V (ac) ±10%, 60 Hz, 3 VA min, 99 VA max, Class 2

15 to 30 V (ac/dc), 2 VA, Class 2

120 V (ac) ±10%, 50/60 Hz, 1300 VA

115 V (ac) ±10%, 60 Hz, 20 A

10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA standby, 56 VA max fully loaded, Class 2

24 V (ac) plus / minus 10 percent, 50/60 Hz, 3 VA, 24 V (dc) plus / minus 10 percent, 0.03 A

24 V ±10%, 60 Hz, 2 VA standby, NEC / CEC Class 2

24 V (ac) plus / minus 10 percent, 60 Hz, 100 VA max, Class 2

1 x 115 V

1 x 115 V, ± 10%, 60 Hz

115 V 50/60 Hz

120 V (ac) ± 10%, 60 Hz

115 V (ac) ± 10%, 60 Hz

120 V (ac) ±10%, 60 Hz

24 V (ac) +10%, -20%, 50 Hz 2.7 VA, 60 HZ 2.3 VA

120 V (ac) +10%, -20%, 50 Hz 2.7 VA, 60 HZ 2.3 VA

1 1/2 in. IPS

1 1/2 IPS

1 1/4 in. SWT

1 1/2 in. SWT

1 1/4 in. IPS

1 1/4 IPS

1 in. SWT

1-1/2 in.

1-1/4 in.

1 in.

6 1/2 in

5.31" (135 mm)

6 1/2"

White PVC plastic

Blue PC+ABS plastic

1 in.

3/4 in.

1 1/4 in.

3/4 in.

1 in.

1 1/4 in.

1 1/2 in.

HDPE sleeve, 20 FT (6 m) HDPE jacketed wire

316 stainless steel, 10 FT (3 m) 24 AWG, 300 volt PVC insulated Zipcord

Brass sleeve, 15' (4.6 m) 18 AWG, HDPE jacket, 300 V cable

115 V 50/60 Hz

15 to 30 V (ac/dc), 2 VA, Class 2

24 V (ac) ± 10%, 50/60 Hz, 3.2 VA, NEC / CEC Class 2

10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA, Class 2

120 V via DC plug power supply

Price Range

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