Where should the external equalizer line be connected

While technical specifications for some Fenwal 35-66 series allow for field-selectable line voltage

this module is the industry standard for enhancing single-phase compressor protection and improving power quality at the point of use

How do I read the diagnostics on this Carrier control board

Simplified Retrofitting: Enables advanced smart thermostat installation using only two existing wires

Lochinvar & A.O. Smith 100208109 Gasket 319847-401 Where should the external equalizerThe Lochinvar & A. O. Smith 100208109 Gasket is a critical OEM replacement component designed for high efficiency commercial boilers and water heaters. As a heat exch divider gasket (also known as a hex gasket for the divider panel), this 1 2 inch seal is specifically engineered for the Power Fin Model PB 502 thru 1302 heating boilers and PF 502 thru 1302 hot water supply boilers. This part provides a high temperature seal between heat exchanger