40003916-048 V8043F1036 Zone Valve Head for V8043F1036 V8043F1093 V8043F1028 V8043F1101 V8043F1051 honeywell Zone Valve with End Switch 50/60 Hz 24V Normally Closed Boiler Switch. 【Wide Compatibility】: The V8043F1036 zone valve head fit for the V8043F series zone valves V8043F1036 V8043F1093 V8043F1028 V8043F1101 V8043F1051( NOTE: if there are FOUR screws securing the power head, you have a VERY old valve, and requires a conversion kit(No. 40003918). ).
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