Like an Express Checkout for Every Install

With easy installation and near-universal compatibility, the Electronic Oil Aquastat Controller from Resideo can give quick updates from a simple LED display. Get setpoint, temperature reading and diagnostic information on the spot. Connect EnviraCOM devices to deliver information directly to your office for faster response.

• Complies with 2012 Department of Energy Standards
• Diagnostic updates through easy-to-read LED displays
• ± 2° F accuracy and faster response times
• Adjustable high- and low-limit differential
• Outdoor reset functionality available with W8735S1000 and W8735Y1000
• Provides multizone control
• Thermowell horizontal or vertical and flush mounting
• EnviraCOM™ communications enabled
• Compatible with W8735S3000 Alarm Module