Where is the common ground located. L7224/ L7248. Trying to add a unit

Honeywell L7224 L7248. HONEYWELL L7224 L7248 AQUASTAT high low relay boiler eBay The L7224/L7248 is "Outdoor Temperature Reset" ready which is enabled when connected to the OCP with Reset Card The L7224A,C and L7248A,C,L 2012 Compliant Oil Electronic Aquastat temperature sensing in a UL limit-rated control with a single sensing probe

Outdoor Reset with the L7224/ L7248 is intended for all applications except for tankless coil systems for domestic hot water. Outdoor Reset with the L7224/L7248 is intended for all applications except for tankless coil systems for domestic hot water.

Honeywell L7224U1002 HomeResideo Oil Electronic Aquastat Controller

Outdoor Reset with the L7224/L7248 is intended for all applications except for tankless coil systems for domestic hot water. The L7224 models have High Limit Differential presets of 10° F (6° C). The High Limit automatically resets after the water temperature drops past the setpoint and through the Differential

Honeywell L7224 User Manual. The L7224A,C and L7248A,C,L control the circulator, oil burner and boiler temperature Action System Response Zone Request (ZR) terminal is connected to Boiler temperature is checked.

Honeywell W8735S1008 AquaReset Domestic Hot Water Kit For L7224/L7248. The L7224 models have High Limit Differential presets of 10° F (6° C). L7224/L7248 Controller Operating Sequence with multiple zones connected through the ZR ter- minal