Brochure

Uponor Radiant Heating and Cooling Systems
www.uponorpro.com 888.994.7726 Radiant Heating and Cooling Systems
Radiant Heating and Cooling Systems
37
Four-wire Zone Valve (24 VAC) features ³⁄₄" and 1" sweat connections. It provides flow control for a single-
zoned manifold (manifold serving one zone), and has a built-in flow-balancing feature. The zone valve
includes an end switch for activation of a relay (pump), heat plant or other auxiliary devices.
Part No. Part Description Each Qty. Pkg. Qty. List Price/Ea.
A3010525 ³⁄₄" Thermal Zone Valve, four-wire 1 25 $239.05
A3010526 1" Thermal Zone Valve, four-wire 1 25 $270.20
A3070525 ³⁄₄" MVA Zone Valve, four-wire 1 25 $249.20
A3070526 1" MVA Zone Valve, four-wire 1 25 $325.15
A2450028 Manifold Valve replacement (brass) 1 10 $23.85
A2450029 ³⁄₄" Zone Valve Cartridge, replacement part 1 10 $45.65
A2450030 1" Zone Valve Cartridge, replacement part 1 10 $47.60
The Single-zone Pump Relay controls the operation of a single circulator or pump from a 24-volt signal.
Relay includes secondary low-voltage terminals for boiler operation.
The Three-zone Multi-pump Relay controls the operation of up to three pumps or circulators from
dedicated 24-volt signals. Relay includes secondary low-voltage terminals for boiler operation and DHW
priority options.
Part No. Part Description Each Qty. List Price/Ea.
A3010100 Single-zone Pump Relay 1 $147.05
A3080301 Three-zone Multi-pump Relay 1 $365.65
50 VA Transformer (24VAC) comes with a 4" x 4" metal mounting plate.
Part No. Part Description Each Qty. List Price/Ea.
A3050050 50 VA Transformer 1 $43.90
Zone Valve
Pump Relay
Transformer