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TJERNLUND Dehumidistat: Compatible With X2D, 115V AC - Dehumidistats for Crawlspace Fans
TJERNLUNDDehumidistats for Crawlspace Fans

TJERNLUND Dehumidistat: Compatible With X2D, 115V AC

The TJERNLUND DH2P Dehumidistat is a SPST humidity controller designed for use with X2D crawlspace fans. It features a control range of 20 to 80% RH with a close-on-rise switch action and a humidity differential of…

SKU 3G-OTH-81851

Brand
TJERNLUND
Item
Dehumidistat: Compatible With X2D, 115V AC
Category
Dehumidistats for Crawlspace Fans
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Technical Specifications

TJERNLUND
Manufacturer Part Number
DH2P
Includes
Mounting Hardware
Switch Type
SPST
Control Range
20 to 80% RH
Switch Action
Close On Rise
Nominal Voltage
115V AC
Nameplate Voltage
115V AC
Humidity Differential
10
Compatible Manufacturer Model Number
X2D
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TJERNLUND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TJERNLUND DH2P Dehumidistat is a SPST humidity controller designed for use with X2D crawlspace fans. It features a control range of 20 to 80% RH with a close-on-rise switch action and a humidity differential of 10. The unit operates on 115V AC and includes mounting hardware.

Frequently Asked Questions

What is the TJERNLUND DH2P Dehumidistat used for?

The TJERNLUND DH2P Dehumidistat controls humidity in crawlspace ventilation systems. It activates a compatible X2D fan when relative humidity rises above the setpoint, helping prevent mold and moisture damage in basements and crawlspaces.

What are the specifications of the TJERNLUND DH2P Dehumidistat?

The DH2P is a SPST switch with close-on-rise action, operating on 115V AC. It controls humidity from 20 to 80% RH with a 10% differential. Includes mounting hardware and is compatible with TJERNLUND X2D crawlspace fans.

Where to buy the TJERNLUND DH2P Dehumidistat worldwide?

3G Electric supplies the TJERNLUND DH2P Dehumidistat to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this humidity controller.

How to install the TJERNLUND DH2P Dehumidistat?

Mount the DH2P using the included hardware in a location representative of crawlspace humidity, away from direct airflow. Wire the SPST close-on-rise switch in series with the X2D fan power supply. Set the desired RH level between 20 and 80%.

Used in

Common applications for TJERNLUND
Residential furnace venting — TJERNLUND GPAK1 pipe-mount draft inducer for natural gas furnaces with 4 in pipe
Oil heating exhaust — TJERNLUND RT750 roof-mount draft inducer for furnaces and oil heating, 8 in to 10 in pipe
LP water heater venting — TJERNLUND HS2 pipe-mount draft inducer with UC1 control for water heaters using LP fuel
Radon mitigation — TJERNLUND PVC4 inline duct fan for 4 in PVC ductwork, 80 cfm max, 115V AC
Vent termination — TJERNLUND VH1-6 wall cap vent hood for 6 in aluminum duct, with screen
Draft monitoring — TJERNLUND PS2501 adjustable air pressure switch for HVAC systems, 0.05 to 12 in wc range

TJERNLUND Products

3G Electric supplies TJERNLUND dehumidistats for crawlspace fans. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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