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Heating System Controls

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807-001

807-001

Legend HX-100 (3/4" MPT) Brazed Plate 50K BTU 10 Plate Heat Exchanger
$ 324.36
132538AFC Video 5ihj9BV3w0g

132538AFC

Caleffi QuickSetter+ Balancing Valve (low-lead) w/Temp Gauge and Check, 3/4 in. Sweat
$ 323.40
554

554

Tekmar tekmarNet® Thermostat - One Stage Heat, One Stage Cool, One Fan
$ 322.86
H-58354-0

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

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

H-48354-0

Webstone 1-1/4 in. x 1 in. Hydro-Core Double Union Manifold w/Ball Valves & Drains, No Unions
$ 315.62
132438AFC Video 5ihj9BV3w0g

132438AFC

Caleffi QuickSetter+ Balancing Valve (low-lead) w/Temp Gauge and Check, 1/2 in. Sweat
$ 311.64
355-426

355-426

Legend 6 Branch Boiler Header, 1-1/2 in. X 1 in., 42 in. Long
$ 310.35
HGTEV-42

HGTEV-42

Calefactio 20 Gallon Potable Water System Expansion Tank, Floor Standing
$ 309.00
HGTV-60

HGTV-60

Calefactio 26 Gallon Heating System Expansion Tank, Floor Standing
$ 303.00
552

552

Tekmar tekmarNet® 4 One Stage Heat Programmable Thermostat
$ 300.76
315

315

Tekmar tN4 Wiring Center -Six Zone Valves
$ 300.76
H-58744-0

H-58744-0

Webstone 1 in. Sweat Run x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains
$ 299.85
H-48854-44

H-48854-44

Webstone 1-1/4 in. x 1 in. Hydro-Core Flange Left Manifold w/Ball Valves & Drains
$ 299.85
H-48754-44

H-48754-44

Webstone 1-1/4 in. x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains
$ 299.85
H-58854-54

H-58854-54

Webstone 1 1/4 in. Sweat Run x 1 in. Hydro-Core Flange Left Manifold w/Ball Valves & Drains
$ 299.85
H-58754-54

H-58754-54

Webstone 1 1/4 in. Sweat Run x 1 in. Hydro-Core Flange Right Manifold w/Ball Valves & Drains
$ 299.85
170 Tekmar Wi-Fi Setpoint Control 170

170

Tekmar Wifi Setpoint Control - One Stage Heat/Cool
$ 298.12
355-416

355-416

Legend 6 Branch Boiler Header, 1-1/4 in. X 1 in., 42 in. Long
$ 297.93
355-435

355-435

Legend 5 Branch Boiler Header, 1-1/2 in. X 1 in., 35 in. Long
$ 292.95
150

150

Tekmar One Stage Setpoint Control
$ 290.52
480

480

Tekmar tN4 User Switch - Three Inputs
$ 287.83
156

156

Tekmar Difference Setpoint Control-On / Off
$ 285.13
132554AFC

132554AFC

Caleffi QuickSetter+ Balancing Valve (low-lead) w/Check, 3/4 in. PEX Crimp
$ 283.08
355-425

355-425

Legend 5 Branch Boiler Header, 1-1/2 in. X 1 in., 35 in. Long
$ 276.27
HGTV-40

HGTV-40

Calefactio 21 Gallon Heating System Expansion Tank, Floor Standing
$ 270.75
355-406

355-406

Legend 6 Branch Boiler Header, 1-1/4 in. X 3/4 in., 42 in. Long
$ 267.85
D3499375

D3499375

.5-4 GPM FlowGuard Flow Setter and Indicator
$ 267.56
326

326

Tekmar Zone Expansion Module - Three Zone Pumps
$ 267.34
B911-M3

B911-M3

Bronze Combination Fill Valve and Backflow Preventers
$ 265.61
304P

304P

Tekmar Switching Relay Four Zones with Priority
$ 265.19
UPSe 15-58 F

UPSe 15-58 F

Grundfos UPSe 15-58 F, Cast iron flange
$ 263.55
551007A

551007A

Caleffi Discal Air Separator 1-1/4 in. NPT
$ 261.07
561

561

Tekmar WiFi Thermostat 561 - One Stage Heat
$ 256.56
HGTEV-30

HGTEV-30

Calefactio 14 Gallon Potable Water System Expansion Tank, Floor Standing
$ 254.25
SR504-EXP

SR504-EXP

Taco 4 Zone Switching Relay w/Priority, Expandable
$ 253.57
256

256

Tekmar Boiler Control - One Stage Boiler
$ 250.10
355-415

355-415

Legend 5 Branch Boiler Header, 1-1/4 in. X 1 in., 35 in. Long
$ 249.61
306V

306V

Tekmar Zone Valve Control Six Zones with Priority
$ 249.02
355-405

355-405

Legend 5 Branch Boiler Header, 1-1/4 in. X 3/4 in., 35 in. Long
$ 241.52
Z56

Z56

Caleffi Z-One 2-Way Zone Valve, 1 in. Sweat
$ 237.72
H-58655

H-58655

Webstone 1 1/4 in. x 1 1/4 in. Primary/Secondary Loop Purge Tee
$ 234.63
676266A

676266A

Caleffi Zone Valve 1 in. Press Fit Twist Top w/ES
$ 224.22
573012A

573012A

Caleffi AutoFill Combo (with backflow preventer and pressure gauge) , 1/2 in. NPT
$ 221.09
095

095

Tekmar Snow Sensor - Aerial Mounting
$ 218.83
NA10367

NA10367

Caleffi LegioMix check valve assembly for 1½ in. & 2 in.
$ 217.95
676269A

676269A

Caleffi Zone Valve 1 in. SWT, Twistop end switch
$ 216.38
676268A

676268A

Caleffi Zone Valve 1 in. PEX exp, Twistop end switch
$ 216.38
073

073

Tekmar Slab Sensor - 40' (12 m) wire
$ 213.98
H-58654

H-58654

Webstone 1 1/4 in. x 1 in. Primary/Secondary Loop Purge Tee
$ 211.16
H-58653

H-58653

Webstone 1-1/4 in. x 3/4 in. Primary/Secondary Loop Purge Tee
$ 211.16
573002A

573002A

Caleffi AutoFill Combo (with backflow preventer) , 1/2 in. NPT
$ 204.62
304V Tekmar RoomResponse Technology

304V

Tekmar Zone Valve Control Four Zones with Priority
$ 199.97
676256A

676256A

Caleffi Zone Valve 3/4 in. Press Fit Twist Top w/ES
$ 195.22
Z55

Z55

Caleffi Z-One 2-Way Zone Valve, 3/4 in. Sweat
$ 192.36
UPS15-58FC

UPS15-58FC

Grundfos SuperBrute 3 Speed Circulator w/Check Valve
$ 192.08
H-50417HV

H-50417HV

Webstone 2 in. Sweat ISOLATOR Pump Flange With Drain
$ 190.90
H-40417HV

H-40417HV

Webstone 2 in. IPS ISOLATOR Pump Flange With Drain
$ 190.90
NT1-P

NT1-P

Axiom Condensate Neutralizer & Pump - "NeutraPump" Full Kit, 500kBTU/hr, 1.9USG/hr
$ 190.46
676259A

676259A

Caleffi Zone Valve 3/4 in. SWT, Twistop end switch
$ 189.73
676258A

676258A

Caleffi Zone Valve 3/4 in. PEX exp, Twistop end switch
$ 189.73
087

087

Tekmar Outdoor Sensor
$ 186.49
355-434

355-434

Legend 4 Branch Boiler Header, 1-1/2 in. X 1 in., 28 in. Long
$ 186.03
551006A

551006A

Caleffi Discal Air Separator 1 in. NPT
$ 178.75
HGTV-30

HGTV-30

Calefactio 13 Gallon Heating System Expansion Tank, Floor Standing
$ 172.13
005

005

Tekmar 0 - 135 Ohm Converter
$ 171.40
013

013

Tekmar 24 V (ac) Transformer 013 - 96 VA, includes Mounting Box
$ 170.86
521 Tekmar 521 Introduction Video

521

Tekmar PID 2 Stage Heat or Heat/Cool Programmable Thermostat w/Floor Sensor (Includes Sensor 079)
$ 169.79
086

086

Tekmar Humidity & Temperature Sensor-Flush Mount
$ 166.55
551005A

551005A

Caleffi Discal Air Separator 3/4 in. NPT
$ 165.42
355-424

355-424

Legend 4 Branch Boiler Header, 1-1/2 in. X 3/4 in., 28 in. Long
$ 163.82
532

532

Tekmar tekmarNet® Thermostat - One Stage Heat
$ 159.54
H-41414KIT

H-41414KIT

Webstone 1 in. IPS Rotating Pump Flange Install Kit
$ 159.38
009K

009K

Tekmar 24 V (ac) Transformer Kit-includes Mounting Box
$ 153.07
355-394

355-394

Legend 4 Branch Boiler Header, 1 in. X 3/4 in., 28 in. Long
$ 151.64
MF-DMF-0102

MF-DMF-0102

Axiom Power Adapter for MF200 System Feeder
$ 150.64
535051A

535051A

Caleffi AutoFill 3/4 in. Union NPT w/ Pressure Gauge (Commercial Applications)
$ 150.53
355-442

355-442

Legend 4 Branch Boiler Header, 1-1/4 in. with 3-3/4 in. & 1-1 in. Outlets, 28 in. Long
$ 149.26
355-404

355-404

Legend 4 Branch Boiler Header, 1-1/4 in. X 3/4 in., 28 in. Long
$ 147.12
355-414

355-414

Legend 4 Branch Boiler Header, 1-1/4 in. X 1 in., 28 in. Long
$ 145.89
H-50414KIT

H-50414KIT

Webstone 1 in. Sweat Pump Flange Install Kit
$ 140.63
553642A

553642A

Caleffi AutoFill , 1/2 in. NPT w/ Pressure Gauge
$ 135.63
HGTE-25

HGTE-25

Calefactio 8 Gallon Potable Water System Expansion Tank
$ 135.00
355-433

355-433

Legend 3 Branch Boiler Header, 1-1/2 in. X 1 in., 21 in. Long
$ 134.51
H-50407HV

H-50407HV

Webstone 2 in. Sweat ISOLATOR Pump Flange
$ 134.09
H-40407HV

H-40407HV

Webstone 2 in. IPS ISOLATOR Pump Flange
$ 134.09
H-58644

H-58644

Webstone 1 in. x 1 in. Primary/Secondary Loop Purge Tee
$ 129.08
H-51416

H-51416

Webstone 1 1/2 Sweat ISOLATOR With Multi Function Drain & Rotating Flange
$ 127.97
H-40416

H-40416

Webstone 1 1/2 in. IPS ISOLATOR Pump Flange With Drain
$ 127.97
H-41416

H-41416

Webstone 1 1/2 IPS ISOLATOR With Multi Function Drain & Rotating Flange
$ 127.22
H-50416

H-50416

Webstone 1 1/2 in. Sweat ISOLATOR Pump Flange With Drain
$ 127.22
HGT-90

HGT-90

Calefactio 13 Gallon Heating System Expansion Tank
$ 127.13
355-423

355-423

Legend 3 Branch Boiler Header, 1-1/2 in. X 3/4 in., 21 in. Long
$ 126.99
072 Tekmar Snow Melt Sensor Selection & Installation

072

Tekmar Slab Sensor - 20' (6 m) wire
$ 123.43
519

519

Tekmar PID Non-Programable Thermostat w/Floor Sensor (518 & 079)
$ 122.89
H-43672

H-43672

Webstone 1/2 in. Pro-Pal E-Tank Service Assembly
$ 121.45
355-413

355-413

Legend 3 Branch Boiler Header, 1-1/4 in. X 1 in., 21 in. Long
$ 119.73
H-41413KIT

H-41413KIT

Webstone 3/4 in. IPS Rotating Pump Flange Install Kit
$ 116.39
H-58643

H-58643

Webstone 1 in. x 3/4 in. Primary/Secondary Loop Purge Tee
$ 116.13
355-393

355-393

Legend 3 Branch Boiler Header, 1 in. X 3/4 in., 21 in. Long
$ 111.51