We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

PECO Line Volt Mechanical Tstat: Heat or Cool, Plastic, 40° to 100°F, 3°F - Weatherproof Single-Stage Controls
PECOWeatherproof Single-Stage Controls

PECO Line Volt Mechanical Tstat: Heat or Cool, Plastic, 40° to 100°F, 3°F

The PECO Line Volt Mechanical Tstat: Heat or Cool (MPN TH109-009) is a weatherproof single-stage control with a plastic enclosure. It features a 40° to 100°F temperature range with a 3°F differential, powered by 120…

SKU 3G-OTH-168800

Also listed as: TH109009 · TH109 009

Brand
PECO
Item
Line Volt Mechanical Tstat: Heat or Cool, Plastic, 40° to 100°F, 3°F
Category
Weatherproof Single-Stage Controls
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PECO
Manufacturer Part Number
TH109-009
Type
Plastic, 40° to 100°F, 3°F, Hydraulic Air Coil

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PECO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PECO Line Volt Mechanical Tstat: Heat or Cool (MPN TH109-009) is a weatherproof single-stage control with a plastic enclosure. It features a 40° to 100°F temperature range with a 3°F differential, powered by 120 to 277V AC. The unit uses a hydraulic air coil and provides (2) SPDT, Open/Close on Rise switching.

Frequently Asked Questions

What is the PECO TH109-009 line volt mechanical thermostat used for?

The PECO TH109-009 is a weatherproof single-stage control used for heat or cool applications in industrial environments. It is suitable for outdoor or damp locations where a durable plastic enclosure and reliable hydraulic air coil sensing are required.

What are the specifications of the PECO TH109-009 thermostat?

The PECO TH109-009 operates on 120 to 277V AC with a temperature range of 40° to 100°F and a 3°F differential. It features (2) SPDT switches, Open/Close on Rise, and a hydraulic air coil sensor in a plastic weatherproof enclosure.

Where to buy the PECO TH109-009 thermostat worldwide?

3G Electric supplies the PECO TH109-009 thermostat worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the PECO TH109-009 line volt thermostat?

Mount the PECO TH109-009 in a weatherproof location, ensuring the hydraulic air coil is exposed to ambient air. Connect line voltage (120 to 277V AC) to the (2) SPDT terminals per the wiring diagram. Verify setpoint and differential before securing the cover.

Used in

Common applications for PECO
HVAC system retrofits in commercial buildings — PECO low-voltage programmable thermostats (e.g., T8532-001) for multi-stage heat and cool control.
Industrial process temperature regulation — PECO weatherproof NEMA 4X thermostats (e.g., TRF 115-007) for outdoor or washdown environments.
Fan coil unit management in hotels or offices — PECO analog fan coil thermostats (e.g., TB155-046) with slide-switch and fan speed control.
Equipment protection in corrosive areas — PECO line-voltage mechanical thermostats (e.g., TF115-001) for heat or cool operation in plastic enclosures.
Replacement of legacy HVACR controls — PECO replacement thermostats (e.g., TA155-017) for maintenance and retrofit projects.

PECO Products

3G Electric supplies PECO weatherproof single-stage controls. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PECO Fan Coil Thermostat: Heat and Cool, Cool-Heat-Off, 50° to 90°F, Slide Switch, 24 to 277V AC (MPN TA155-046)
PECO
PECO Fan Coil Thermostat: Heat and Cool, Cool-Heat-Off, 50° to 90°F, Slide Switch, 24 to 277V AC (MPN TA155-046)
PECO Fan Coil Thermostat: Heat and Cool, On-Off, 50° to 90°F, Slide Switch, 24 to 277V AC, 1H/1C (MPN TB155-046)
PECO
PECO Fan Coil Thermostat: Heat and Cool, On-Off, 50° to 90°F, Slide Switch, 24 to 277V AC, 1H/1C (MPN TB155-046)
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T4932SCH-001)
PECO
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T4932SCH-001)
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T4932SCH-002)
PECO
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T4932SCH-002)
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T12532-001)
PECO
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T12532-001)
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T12532-IAQ)
PECO
PECO Low Voltage Thermostat: Heat and Cool, Auto and Manual, 5-1-1/5-2/7 Day, Horizontal, Rectangle (MPN T12532-IAQ)

More from PECO

View all PECO parts
PECO Line Volt Mechanical Tstat: Heat or Cool, Plastic, 40° to 110°F, 3°F, Hydraulic Air Coil (MPN TF115-001)
PECO
PECO Line Volt Mechanical Tstat: Heat or Cool, Plastic, 40° to 110°F, 3°F, Hydraulic Air Coil (MPN TF115-001)
PECO Line Volt Mechanical Tstat: 0° to 120°F, Plastic, Fixed, 3°F, 120 to 277V AC Volt (MPN TRF115-005)
PECO
PECO Line Volt Mechanical Tstat: 0° to 120°F, Plastic, Fixed, 3°F, 120 to 277V AC Volt (MPN TRF115-005)
PECO Industrial NEMA 4X Thermostat: Heat or Cool, 120 /208/240/277/480 V AC (MPN TRF 115-007)
PECO
PECO Industrial NEMA 4X Thermostat: Heat or Cool, 120 /208/240/277/480 V AC (MPN TRF 115-007)
PECO Industrial NEMA 4X Thermostat: Heat or Cool, 120 /208/240/277/480 V AC (MPN TF115-023)
PECO
PECO Industrial NEMA 4X Thermostat: Heat or Cool, 120 /208/240/277/480 V AC (MPN TF115-023)