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Relays & Zone Valves
Pump switching relays control the operation of a single circulator or pump from a 24-volt signal. Relays include secondary low-voltage terminals for boiler operation. Radiant heat zone valves feature 3/4- and 1-inch sweat connections, and provide flow control for a single-zoned radiant heat manifold (manifold serving one zone). This category also contains zone control modules, which are printed circuit control and diagnostic devices designed for use with Wirsbo thermostats, motorized valve actuators (MVAs), thermal actuators or zone valves.
Taco Switching Relays
Taco Switching Relays combine clearly-labeled PC board layouts with advanced features that allow you to completely customize your system. And whether you;re using basic priority switching, Taco Plug-In PowerPort Cards or add-on power controls, tailoring the system has never been easier. Taco Switching Relays come in SR501, SR502, SR503, SR504, and SR506 models. Also included in this category are boiler reset controls, injection mixing controls, and plug-in PowerPort cards. …
Taco Zone Valve Controls
Taco Zone Valve Controls simplify the wiring nightmare. The Taco Zone Valve Controls (Taco ZVC's) work with 2-, 3- or 4-wire zone valves and their easy-to-follow PC board layout eliminates the problems caused by incorrect wiring and the “unfinished” look of conventional zone valve installations. External indicator lights give you instant diagnostic feedback and reduce installation time. Use Taco Zone Valve Controls combined with Taco Zone Valves and Thermostats to maximize system performance and dependability. Also included here are Taco's Plug-In PowerPort Cards which can be used with any Taco Expandable Control (-EXP models) to enhance total system integration and performance. Each Taco Expandable Relay comes standard with three PowerPort slots to accept any combination of cards. By controlling the operation of the circulators attached to the switching relay, PC600 cards are an ideal way for you to provide energy savings, system protection and an increased comfort level. …
Taco 570 Zone Valves
When you want the industry standard for hydronic heating applications, choose Taco's 570 Gold Series Zone Valves. Designers prefer these valves for their quiet and dependable operation. Installers appreciate the open lever and twist-off head that makes installation and service easy. These Taco Zone Valves are available in 1/2" - 1-1/4" sweat connections. …
Honeywell Zone Valves
Honeywell Zone Valves are some of the most commonly used Zone Valves in the industry. These Honeywell Zone Valves are designed for hydronic heating systems. ON-OFF and two-way low voltage valves consist of an actuator and valve assembly for controlling the flow of hot water and some models for steam. Zone valves control the flow of water to a specific zone in a hydronic heating system. …
Uponor Zone Valves & Controls
Uponor zone control modules are designed for use with the Uponor thermostats, motorized valve actuators, thermal actuators, or zone valves. …
Uponor Pump Relays
Single or multi-zone pump relays control the operation of one or more pumps.
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