Honeywell 305931 Gauge Els PW 17895 Verify the rebuild kit number

Verify the rebuild kit number on your valve nameplate

and prep tables where reliability is non-negotiable

By keeping the lubricant at a temperature higher than the evaporator's saturated suction temperature

you will need to source a multi-speed equivalent with matching physical dimensions

Honeywell 305931 Gauge Els PW 17895 Verify the rebuild kit numberThe Honeywell 305931 is a precision engineered 1 1 2 inch dial thermometer specifically designed for accurate temperature monitoring in residential and commercial hydronic systems. This REC gauge features a temperature scale of 40F to 240F, making it an essential component for tracking hot water heater output, boiler supply lines, and fluid loop performance. Built with a robust housing and a clear lens for high visibility in mechanical rooms, this