Reset Controls

070 Tekmar Outdoor Sensor
Outdoor Sensor * Outdoor air sensor for Tekmar controls. 10K @ 77F.

Tek Mar

070

$41.69 EA
$92.37
12 In Stock
071 Tekmar Universal Sensor
Universal Sensor Type 2 Universal sensor for Tekmar controllers.No enclosure. 10 inch leads. 10K @ 77F.

Tek Mar

071

$33.78 EA
$74.83
16 In Stock
076 Tekmar Indoor Sensor
Indoor Sensor * Indoor sensor for Tekmar controllers. Non adjustable. 10K @ 77F

Tek Mar

076

$51.72 EA
$114.58
5 In Stock
078 Tekmar SENSOR W/15'JACKETED CABLE
SENSOR W/15'JACKETED CABLE

Tek Mar

078

$79.69 EA
$178.32
Not in stock
256 Tekmar 1 Stage Boiler Reset Control
1 Stage Boiler Reset Control * 1 Stage boiler reset control. 24V. LCD display. Warm WX shutdown, setback, max/min temps. O/A & boiler sensor are included. Optional room sensor.

Tek Mar

256

$210.58 EA
$466.52
17 In Stock
261 Tekmar 2 Stage Boiler Controller
2 Stage Boiler Controller * 2 stage boiler reset with pump output. 120V. Stages can be alternated for equal run time. Optional night setback.Min/Max temp.

Tek Mar

261

779655026108

$564.72 EA
$1,251.08
5 In Stock
A350RS-1C Johnson Sys 350 Reset Temp Cntrl
Sys 350 Reset Temp Cntrl * System 350 Boiler Reset Control. 24V. Ratio 1:5-3:1. Minimum Supply 50-160 Max Supply 160-220F. Diff 1-30. Warm Weather Off Rating 4Amp. Up To 9 Stages Avail With S350 Modules.

Johnson Controls

A350RS-1C

$543.20 EA
$1,086.39
7 In Stock
C450RBN-3C Johnson Reset Control Mod 1 StagTem
Reset Control Mod 1 StagTem * Reset Control Module with LCD, Four-Button Touchpad UI, and SPDT relay output. 24 volts. REPLACES: C450RBC-1C

Johnson Controls

C450RBN-3C

$248.43 EA
$496.86
2 In Stock
C450RCN-3C Johnson Controls Reset Control Module with LCD,
Reset Control Module with LCD, Four-Button Touchpad UI, and SPDT relay output; provides two SPDT output relays. One A99BC-25C temperature sensor with 0.25 m (9-1/4 in.) silicon leads and one A99BC-300C temperature sensor with 3 m (9 ft 10 in.) silicon leads are included in the box with the Reset Control Module.

Johnson Controls

C450RCN-3C

$331.91 EA
$663.81
1 In Stock
T775L2007 Honeywell Electronic temperature reset or
Electronic temperature reset or sequence control. 24/120/240 volts. Up to 2 inputs and 4 SPDT outputs. Stages multiple relay from 2 independent heat or cool set points. 9.8/4.9 Amps @ 120/240V. 8VA consumption. Built-in 7 day timeclock allows 2 event

Honeywell

T775L2007

085267299206

$432.55 EA
$1,192.07
5 In Stock
T775P2003 Honeywell Boiler Reset 4 Stage w/ Pump
Boiler Reset 4 Stage w/ Pump Expandable reset control with optional pump and lead lag control. 24/120/240 volts. Range -40 to 248F. 3 sensors included, 4 stages. 1 DI for disable or setback. 1 DO for alarm. Last stage can be used for pump control. Can be expanded to up to 12 stages with T775S2008

Honeywell

T775P2003

085267299268

$518.76 EA
$1,429.65
10 In Stock
T775R2001 Honeywell Reset Control 4 SPDT or 2 Fltg
Reset Control 4 SPDT or 2 Fltg * Electronic heating or cooling reset control. 24/120/240 volts. Range -40 to 248F 2 sensor inputs, 4 SPDT or 2 floating outputs. 9.8/4.9 Amps @ 120/240V. Built-in 7 day timeclock allows 2 events per day. Backlit menu driven LCD display

Honeywell

T775R2001

085267299275

$467.86 EA
$1,289.42
1 In Stock
T775R2019 Honeywell Reset Control 4 SPDT & 2AO
Reset Control 4 SPDT & 2AO * Electronic heating or cooling temperature reset control. 24/120/240 volts. Range -40 to 248F. 2 sensor inputs, 4 SPDT and 2 analog 4-20mA, 0/2-10VDC or 135 Ohm outputs.. 9.8/4.9 Amps @ 120/240V. Built-in 7 day timeclock allows 2 events per day. Backl

Honeywell

T775R2019

085267299282

$588.08 EA
$1,603.85
4 In Stock
T775R2027 Honeywell Reset Controller 2 SPDT and
Reset Controller 2 SPDT and 2 ANALOG OUTPUTS Electronic heating or cooling temperature reset control. 24/120/240 volts. Range -40 to 248F. 2 sensor inputs, 2 SPDT and 2 analog 4-20mA, 0/2-10VDC or 135 Ohm outputs.. 9.8/4.9 Amps @ 120/240V. Built-in 7 day timeclock allows 2 events per day. Backlit menu driven LCD display

Honeywell

T775R2027

085267299299

$449.82 EA
$1,239.70
15 In Stock
T775R2035 Honeywell Reset control 2 SPDT or 1 Fltg
Reset control 2 SPDT or 1 Fltg * Electronic heating or cooling temperature reset control. 24/120/240 volts. Range -40 to 248F. 2 sensor inputs, 2 SPDT or 1 floating outputs. 9.8/4.9 Amps @ 120/240V. Built-in 7 day timeclock allows 2 events per day. Backlit menu driven LCD display

Honeywell

T775R2035

085267299305

$380.91 EA
$1,049.80
9 In Stock
T775R2043 Honeywell Electronic heating or cooling
Electronic heating or cooling temperature reset control. 24/120/240 volts. Range -40 to 248F. 2 sensor inputs, 2 analog 4-20mA, 0/2-10VDC or 135 Ohm outputs. Built-in 7 day timeclock allows 2 events per day. Backlit menu driven LCD display

Honeywell

T775R2043

085267299312

$380.91 EA
$1,049.80
2 In Stock
T775S2008 Honeywell Relay expansion module for T775L or
Relay expansion module for T775L or T775P controls. 24/120/240 volts. 4 SPDT relays rated at 9.8.4.9A @ 120/240V. Connects by two wire bus to controller.

Honeywell

T775S2008

085267299329

$127.08 EA
$350.21
Not in stock
T991B1003 Honeywell Reset Control 1:1
Reset Control 1:1 * Proportional Dual Bulb Outdoor Reset Stat varies Supply Temperature As Function Of Outside temperature Outdoor To In Ratio Is 1-1. 135 Ohm pot Range 70-140F Adjustable Throttling Range 3-30Coppr Cap Tube-In 10' Out 30' 1/2X4 Bulb

Honeywell

T991B1003

085267100533

$754.64 EA
$1,962.07
Not in stock