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Description
The Tekmar 256 Outdoor Reset Boiler Control is a microprocessor-based boiler control designed to regulate the supply water temperature from a single-stage boiler using the outdoor temperature. Avoid short cycling and temperature swings with Tekmar controls that continuously adjust the boiler differential. This boiler temperature reset control has LCD display and includes both a minimum boiler setting and a Warm Weather Shut Down option.
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Specs
Application:

Single Boiler

Stages:

1 Boiler

Width:

2-7/8"

Height:

4-3/4"

User Interface:

LCD

Push Button

Voltage:

24v

Depth (Inches):

7/8"

Ambient Conditions:

Indoor Only: 32°-104°F < 90% RH non-condensing

Power Supply:

24 V (ac)

Class 2

Relays:

240 V (ac) 5 A-1/6 hp

Temperature Range (F):

-60°F - 266°F

Max Temp (F):

266°F

Min Temp (F):

-60°F

Control:

Microprocessor PID control

Weight (lbs):

1.3 lbs

Demands:

24 V (ac) 2 VA

Sensors:

NTC Thermistor 10 k ohm @ 77°F

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