Honeywell E3SRMCO Sensor R-410A this specific part is sized

this specific part is sized for the 1-1/8" suction port

Manual Override: Features a manual operating lever to allow for system flushing or emergency operation during power outages

Enhanced Safety Logic: Includes a factory-wired vent limit switch to offer secondary protection against downdrafts and venting failures

the 35-725903-997 is specifically calibrated for Fenwal control boards

High-Capacity Performance: Supports up to 340

Honeywell E3SRMCO Sensor R-410A this specific part is sizedThe Honeywell E3SRMCO, also identified as 1309A0060 or E3SRMSCO, is a high performance E3Point carbon monoxide remote sensor designed for integration with Honeywell E3Point standalone (E2SA E2SAH) analog gas monitors. This electrochemical CO sensor allows for the simultaneous detection of toxic gases in two separate locations when paired with a primary unit, effectively doubling your monitoring footprint. Built with a durable polycarbonate housing, it