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For use with thermostats, powerheads, and zone valves Suitable for Zone valve Model 2837.1US, Zone valve Model 2837.2US, Zone valve Model 2837.3US, Digital thermostat Model 2874.5US, Powerhead Model 2877.7, Thermostat Model 2878.6, Thermostat Model 2878.7, Thermostat Model 2878.8 Zone wiring and switching center Components Circuit board, 24 VAC transformer Model 2874.7US
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🇺🇸 Ship from USA · On Agora since 2025
$218.24