24 VAC Transformer Kit, 40 VA, and Mounting Box

$158.00 

•  
• Accessories

Actuating Motor, Floating Action, 10 N-m, 88 in-lb of Torque

$691.00 

•  
• Accessories

Switching Relay, Six Zones with Priority

$404.00 

• Blue
• Water Heaters Controls

Actuating Motor, 0-10 VDC

$689.00 

•  
• Accessories

Replacement Shear Pins (3/pkg)

$70.00 

•  
• Accessories

Thermostat 560, One Stage Heat

$355.00 

•  
• Water Heaters Controls

tN4 Zone Expansion Module, Six Zone Valves

$567.00 

•  
• Water Heaters Controls

Power Manager, Three Auxiliary Pumps, Four Demands

$1,053.00 

• Blue
• Water Heaters Controls

Switching Relay, Three Zones with Priority

$147.50 

•  
• Water Heaters Controls

Difference Setpoint Control, On - Off

$357.00 

• White
• Water Heaters Controls

Switching Relay, Four Zones with Priority

$317.00 

• Blue
• Water Heaters Controls

Indoor Sensor

$82.00 

• White
• Accessories

Seal Kit, 3'' to 4''

$160.00 

•  
• Accessories

Replacement 40 VA Transformer, for 304P, 306P, 304V, 306V

$82.00 

•  
• Accessories

One Stage Setpoint Control

$352.00 

• White
• Water Heaters Controls

Mixing Valve Handle Kit, for Brass Valves

$68.00 

•  
• Accessories

Wi-Fi Thermostat, Conventional 2H, 2C or Heat Pump 4H, 2C

$507.00 

• White
• Water Heaters Controls

tN4 Wiring Center, Four Zone Pumps

$450.00 

• Blue
• Water Heaters Controls

tN2 House Control, Boiler, DHW and Setpoint, Mixing, Four Zone Valves

$1,277.00 

• Blue
• Water Heaters Controls

Universal Sensor, 1'' (300 mm) wire

$54.00 

•  
• Accessories

tN2 Zone Expansion Module, Four Zones, Cooling and Fan

$598.00 

•  
• Water Heaters Controls

Boiler Control, Four tN4, BAS, Four Boiler, DHW and Setpoint

$4,235.00 

• Blue
• Water Heaters Controls

tN4 Gateway, RS232

$1,944.00 

• Blue
• Accessories

Relay, 24 VAC Coil

$94.00 

•  
• Accessories

tN2 House Control, Boiler, DHW and Setpoint, Four Zone Valves

$1,087.00 

• Blue
• Water Heaters Controls

Seal Kit, 2-1/2''

$101.00 

•  
• Accessories

Two Stage Setpoint Control

$467.00 

• White
• Water Heaters Controls

Wireless Outdoor Sensor

$250.00 

• White
• Accessories

24 VAC Transformer, 96 VA, and Mounting Box

$178.00 

•  
• Accessories

tekmarNet 4 Timer

$388.00 

• White
• Accessories

4-Way Mixing Valve, 2'' Brass

$906.00 

•  
• Accessories

Three Outdoor Sensor Module

$109.00 

•  
• Accessories

Adaptor Plate, for Enclosure G and J

$33.00 

• White
• Accessories

Mixing Expansion Module, Variable Speed, Floating Action, Modulating

$692.00 

• White
• Water Heaters Controls

Adaptor Plate

$38.00 

• White
• Accessories

10K Temperature Simulator

$762.00 

• White
• Accessories

Thermostat 565, One Stage Heat

$235.00 

•  
• Water Heaters Controls

Indoor Sensor, Cover Plate

$129.00 

• White
• Accessories

Room Temperature Unit 054

$184.00 

• White
• Accessories

Humidity and Temperature Sensor, Flush Mount

$221.00 

• White
• Accessories

Zone Valve Control, Four Zones with Priority

$237.00 

• Blue
• Water Heaters Controls

tN2 House Control, Boiler, DHW and Setpoint, Mixing, Four Zone Pumps

$1,421.00 

• Blue
• Water Heaters Controls

Universal Reset Module, Four tN4, Two Boiler, DHW and Setpoint

$1,473.00 

•  
• Water Heaters Controls

Universal Reset Module, Two tN4, Mixing, Boiler, DHW and Setpoint

$1,429.00 

•  
• Water Heaters Controls

tekmarNet Thermostat, Two Stage Heat, One Stage Cool, Fan

$557.00 

• White
• Water Heaters Controls

Snow, Ice Sensor Socket

$303.00 

•  
• Accessories

Zone Valve Control, Three Zones with Priority

$116.50 

•  
• Water Heaters Controls

Wi-Fi Thermostat, One Stage Heat

$367.00 

• White
• Water Heaters Controls