Zone valves On/off Control input
Discover high-quality zone valves perfect for regulating heat in hydronic heating systems. Shop our selection today at Blackhawk Supply.
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![Siemens 240-00234 Zone valve, 3-way, 1/2", 4.0 Cv, NPT w/ 115V 2-pos SR actuator, fails AB-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00234_medium.jpg?v=1692719104)
240-00234 | Zone valve, 3-way, 1 / 2", 4.0 Cv, NPT w / 115V 2-pos SR actuator, fails AB-B | Siemens
Brand: Siemens
SKU: 240-00234
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![Siemens 240-00233 Zone valve, 3-way, 1", 7.0 Cv, NPT w/ 115V 2-position SR actuator, fails AB-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00233_medium.jpg?v=1692719150)
240-00233 | Zone valve, 3-way, 1", 7.0 Cv, NPT w / 115V 2-position SR actuator, fails AB-B | Siemens
Brand: Siemens
SKU: 240-00233
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![Siemens 240-00232 Zone valve, 3-way, 3/4", 4.1 Cv, NPT w/ 115V 2-pos SR actuator, fails AB-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00232_medium.jpg?v=1692719162)
240-00232 | Zone valve, 3-way, 3 / 4", 4.1 Cv, NPT w / 115V 2-pos SR actuator, fails AB-B | Siemens
Brand: Siemens
SKU: 240-00232
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![Siemens 240-00231 Zone valve, 3-way, 1/2", 2.5 Cv, NPT w/ 115V 2-pos SR actuator, fails AB-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00231_medium.jpg?v=1692719185)
240-00231 | Zone valve, 3-way, 1 / 2", 2.5 Cv, NPT w / 115V 2-pos SR actuator, fails AB-B | Siemens
Brand: Siemens
SKU: 240-00231
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![Siemens 240-00230 Zone valve, 3-way, 1/2", 1.0 Cv, NPT w/ 115V 2-pos SR actuator, fails AB-B | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00230_medium.jpg?v=1692719102)
240-00230 | Zone valve, 3-way, 1 / 2", 1.0 Cv, NPT w / 115V 2-pos SR actuator, fails AB-B | Siemens
Brand: Siemens
SKU: 240-00230
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![Siemens 240-00214 Zone valve, 2-way, 1/2", 4.0 Cv, NPT w/ 115V 2-position SR actuator fails NC | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/240-00214_medium.jpg?v=1692719089)
240-00214 | Zone valve, 2-way, 1 / 2", 4.0 Cv, NPT w / 115V 2-position SR actuator fails NC | Siemens
Brand: Siemens
SKU: 240-00214
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![Belimo ZONE325S-80+ZONE24NC Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 24V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_d62ba824-f74f-4ba0-b4e0-919fb4f1e27b_medium.png?v=1714684565)
ZONE325S-80+ZONE24NC | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 24V | On / Off | Belimo
Brand: Belimo
SKU: ZONE325S-80+ZONE24NC
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![Belimo ZONE325S-80+ZONE230NC-S Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 230V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_dd65e6da-27fc-4875-ac2b-b0a26337b7ef_medium.png?v=1708891741)
ZONE325S-80+ZONE230NC-S | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 230V | On / Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE325S-80+ZONE230NC-S
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![Belimo ZONE325S-80+ZONE230NC Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 230V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_cbeb274d-f58c-4aa2-8adc-c4c788876a81_medium.png?v=1708891782)
ZONE325S-80+ZONE230NC | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 230V | On / Off | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE325S-80+ZONE230NC
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![Belimo ZONE325S-80+ZONE120NC-S Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 120V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_a2442ee5-138f-46dc-a7fe-3e4ad46b51df_medium.png?v=1714684551)
ZONE325S-80+ZONE120NC-S | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 120V | On / Off | SW | Belimo
Brand: Belimo
SKU: ZONE325S-80+ZONE120NC-S
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![Belimo ZONE325S-80+ZONE120NC Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_8484edf9-40d6-4770-89bd-ecce2df3b7ca_medium.png?v=1714684561)
ZONE325S-80+ZONE120NC | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 120V | On / Off | Belimo
Brand: Belimo
SKU: ZONE325S-80+ZONE120NC
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![Belimo ZONE325N-80+ZONE24NC-S Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 24V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_55d68c3a-0dd9-4b51-ab15-dde7a5758610_medium.png?v=1714684563)
ZONE325N-80+ZONE24NC-S | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 24V | On / Off | SW | Belimo
Brand: Belimo
SKU: ZONE325N-80+ZONE24NC-S
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![Belimo ZONE325N-80+ZONE230NC-S Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 230V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_d45c53d1-586b-4531-9a7c-5dee34c2e376_medium.png?v=1708891720)
ZONE325N-80+ZONE230NC-S | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 230V | On / Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE325N-80+ZONE230NC-S
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![Belimo ZONE325N-80+ZONE230NC Zone Valve | 1" | 3 Way | 8 Cv | w/ Spg Rtn | 230V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_545eed22-6b19-479a-82fa-c296ec35fbbd_medium.png?v=1708891767)
ZONE325N-80+ZONE230NC | Zone Valve | 1" | 3 Way | 8 Cv | w / Spg Rtn | 230V | On / Off | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE325N-80+ZONE230NC
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![Belimo ZONE320S-50+ZONE230NC-S Zone Valve | 0.75" | 3 Way | 5 Cv | w/ Spg Rtn | 230V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_94ea3fed-66df-492b-9508-7c8a8177fd4b_medium.png?v=1708891735)
ZONE320S-50+ZONE230NC-S | Zone Valve | 0.75" | 3 Way | 5 Cv | w / Spg Rtn | 230V | On / Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE320S-50+ZONE230NC-S
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![Belimo ZONE320S-50+ZONE230NC Zone Valve | 0.75" | 3 Way | 5 Cv | w/ Spg Rtn | 230V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_a068762f-62a5-4cf1-85ee-8b3e078b5ae7_medium.png?v=1714684559)
ZONE320S-50+ZONE230NC | Zone Valve | 0.75" | 3 Way | 5 Cv | w / Spg Rtn | 230V | On / Off | Belimo
Brand: Belimo
SKU: ZONE320S-50+ZONE230NC
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![Belimo ZONE320S-50+ZONE120NC-S Zone Valve | 0.75" | 3 Way | 5 Cv | w/ Spg Rtn | 120V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_b77bf5d8-72df-4b23-b036-fbea49bb6b67_medium.png?v=1708891710)
ZONE320S-50+ZONE120NC-S | Zone Valve | 0.75" | 3 Way | 5 Cv | w / Spg Rtn | 120V | On / Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE320S-50+ZONE120NC-S
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![Belimo ZONE320S-50+ZONE120NC Zone Valve | 0.75" | 3 Way | 5 Cv | w/ Spg Rtn | 120V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_c6cd00e6-cb4b-4f7b-843a-6b411e56b352_medium.png?v=1714684560)
ZONE320S-50+ZONE120NC | Zone Valve | 0.75" | 3 Way | 5 Cv | w / Spg Rtn | 120V | On / Off | Belimo
Brand: Belimo
SKU: ZONE320S-50+ZONE120NC
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![Belimo ZONE320S-35+ZONE24NC-S Zone Valve | 0.75" | 3 Way | 3.5 Cv | w/ Spg Rtn | 24V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_6d503d12-ad49-4a09-a6af-d7b4ead07f99_medium.png?v=1714684560)
ZONE320S-35+ZONE24NC-S | Zone Valve | 0.75" | 3 Way | 3.5 Cv | w / Spg Rtn | 24V | On / Off | SW | Belimo
Brand: Belimo
SKU: ZONE320S-35+ZONE24NC-S
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![Belimo ZONE320S-35+ZONE24NC Zone Valve | 0.75" | 3 Way | 3.5 Cv | w/ Spg Rtn | 24V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_24ebd09b-c1da-4b6c-89d3-4c49e3cbfdba_medium.png?v=1714684564)
ZONE320S-35+ZONE24NC | Zone Valve | 0.75" | 3 Way | 3.5 Cv | w / Spg Rtn | 24V | On / Off | Belimo
Brand: Belimo
SKU: ZONE320S-35+ZONE24NC
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![Belimo ZONE320S-35+ZONE230NC-S Zone Valve | 0.75" | 3 Way | 3.5 Cv | w/ Spg Rtn | 230V | On/Off | SW | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/zone_3way_web_2a0112ed-cff2-4a3b-a118-3240fbf9e323_medium.png?v=1708891786)
ZONE320S-35+ZONE230NC-S | Zone Valve | 0.75" | 3 Way | 3.5 Cv | w / Spg Rtn | 230V | On / Off | SW | Belimo (OBSOLETE)
Brand: Belimo
SKU: ZONE320S-35+ZONE230NC-S
View Details
![Belimo ZONE320S-35+ZONE230NC Zone Valve | 0.75" | 3 Way | 3.5 Cv | w/ Spg Rtn | 230V | On/Off | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/zone_3way_web_0723dcb6-fd44-4816-b5b7-80159a13140a_medium.png?v=1714684564)
ZONE320S-35+ZONE230NC | Zone Valve | 0.75" | 3 Way | 3.5 Cv | w / Spg Rtn | 230V | On / Off | Belimo
Brand: Belimo
SKU: ZONE320S-35+ZONE230NC
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