Primary secondary piping for one furnace with capabilities for 2 more zones.
Piping to two furnaces with three more possible zones.

Manifolds

	Primary secondary piping for heating home and domestic hot water with brazed plate. Second zone capability without draining system.
Water to air coil on a heat pump system. Coil insulation valves and drains to prevent freezing during A/C operation.

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Crane Truck