70 Series™ Non-Programmable Thermostat | 1E78-140

Upgrade your heating system with the 70 Series™ Non-Programmable Thermostat (Part Number: 1E78-140) for precise temperature control. This thermostat is designed for heat-only systems like the L51-909, with a single stage 24 VAC or millivolt compatibility. It features terminal designations for Rh and W, a temperature range of 45°F to 99°F, and easy battery-powered operation. Installation can be done in minutes with common tools. The 70 Series™ ensures efficient heating in your home, backed by certifications for quality.

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