Description
PECO TA155-018 24-277V SPDT Warm/Cool Thermostat Overview
The PECO TA155-018 is a versatile line voltage thermostat engineered for dependable heating and cooling control across a wide operating voltage range of 24 to 277 volts. Featuring a Single Pole Double Throw (SPDT) switching configuration, this thermostat is well-suited for a broad range of commercial and residential HVAC applications where both warm and cool modes are required from a single control device.
Key Features
- Wide operating voltage range: 24–277V for maximum application flexibility
- SPDT (Single Pole Double Throw) switching action supports both heating and cooling control
- Warm/Cool (WarmCool) dual-mode operation in a single thermostat
- Designed for line voltage HVAC systems including electric heat and fan-coil applications
- Compact, reliable design from PECO — a trusted name in HVAC controls
- Easy installation and wiring for professional HVAC technicians
Specifications
- SKU: TA155-018
- Brand: PECO
- Voltage: 24–277V
- Switch Type: SPDT (Single Pole Double Throw)
- Control Mode: Warm/Cool (Heating & Cooling)
- Application: Line Voltage Thermostat
Application
The PECO TA155-018 is ideal for use in commercial buildings, hotels, multi-family residential units, and light industrial environments where a single thermostat must handle both heating and cooling demands. Its wide voltage compatibility — from low-voltage 24V control circuits up to 277V line voltage systems — makes it one of the most adaptable thermostats in the PECO lineup.







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