tekmar 304V valve control coordinates hydronic zone systems with heat-only or combination heat and indirect DHW tanks. Pump output energizes whenever a zone valve opens.
RoomResponse output tunes modulating condensing boilers for room comfort. Exercising and post-purge options guard circulators and save energy.
304V Features
Pump and Zone Logic
Starts the system pump automatically with any open valve.
DHW Flexibility
Allows indirect-tank heating with optional priority and post purge.
RoomResponse Boiler Signal
Adjusts boiler output to match actual room needs.
Circulator Exercising
Cycles idle pumps to help prevent seizure.
304V Specifications
Function: Operates system pump with zone valves, Zone 1 valve or circulator for indirect DHW
Buildings: Single-family, multifamily, small commercial
Dimensions: 8-3/16 H x 10-11/16 W x 2-3/8 D in (208 x 271 x 60 mm)
Boiler interface: RoomResponse signal for modulating condensing boilers
Efficiency functions: Optional exercising, optional DHW post purge
Operating environment: Indoor use, 32 to 122°F (0 to 50°C), max 90% RH non-condensing
