{"product_id":"tekmar-326-zone-expansion-module-115-v-ac-three-zone-pumps","title":"Tekmar 326 Zone Expansion Module 115 V AC (Three Zone Pumps)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe Tekmar 326 Zone Expansion Module provides power and relay control for tekmarNet+4 thermostats and up to three zone pumps using microprocessor PID control. The indoor module supplies three 115 V AC zone pump outputs plus one 115 V AC zone group pump output, with combined relay load limited to 10 A. Power is supplied by the interconnected Zone Manager and the unit includes a DIP switch user interface.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThree 115 V AC zone pump relays and one 115 V AC zone group pump relay; each relay rated 115 V AC, 5 A, 1\/4 hp, pilot duty 240 VA\u003c\/li\u003e\n  \u003cli\u003eMicroprocessor PID control (not a safety\/limit control); power supplied by interconnected Zone Manager; combined relay load 10 A maximum\u003c\/li\u003e\n  \u003cli\u003eCompact indoor module: 3-5\/8\" H x 5-3\/8\" W x 9\/16\" D; packaged weight 1.15 lb (522 g); CSA C US and CSA\/UL 61010-1 approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eExpands tekmarNet 4 zoning with three powered 115 V pump outputs and one zone group pump output; compact indoor module with PID control and CSA\/UL approvals.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: TEKMAR\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 326\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Tekmar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN\u003c\/strong\u003e: 326\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel\u003c\/strong\u003e: Zone Expansion Manager 326\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFunction\u003c\/strong\u003e: Provides power and relay control for tekmarNet+4 thermostats and zone pumps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl Type\u003c\/strong\u003e: Microprocessor PID control (not a safety\/limit control)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: tekmarNet 4 compatible; works with tekmarNet+4 thermostats\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: Provided by interconnected Zone Manager\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutputs\u003c\/strong\u003e: Three 115 V AC powered zone pump outputs; One 115 V AC powered zone group pump output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Output Rating (per relay)\u003c\/strong\u003e: 115 V AC, 5 A, 1\/4 hp, pilot duty 240 VA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCombined Relay Load\u003c\/strong\u003e: 10 A Maximum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUser Interface\u003c\/strong\u003e: DIP Switch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 3-5\/8\" H x 5-3\/8\" W x 9\/16\" D (92 x 137 x 14 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1.07 lb\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaged Weight\u003c\/strong\u003e: 1.15 lb (522 g)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmbient Conditions\u003c\/strong\u003e: Indoor use only; 32 to 122 F (0 to 50 C); relative humidity \u0026lt;=80% up to 88 F (31 C), down to 50% from 104 to 122 F (40 to 50 C); altitude \u0026lt;2000 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: CSA C US; CSA\/UL 61010-1; meets Class B: ICES and FCC Part 15\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Zoning (hydronic heating, baseboard zones, radiant manifolds)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInstallation Category\u003c\/strong\u003e: Installation Category II\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePollution Degree\u003c\/strong\u003e: Pollution Degree 2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrdering Code\u003c\/strong\u003e: 326\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUPC\u003c\/strong\u003e: 779655032604\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Tekmar\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"TEKMAR","offers":[{"title":"Default Title","offer_id":67593527918898,"sku":"326","price":308.27,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/34bd951e06f847efdb9db49acc8442e2.jpg?v=1790422475","url":"https:\/\/voomisupply.com\/products\/tekmar-326-zone-expansion-module-115-v-ac-three-zone-pumps","provider":"Voomi Supply","version":"1.0","type":"link"}