Water heating Tjernlund
Explore efficient HVAC water heating solutions at Blackhawk Supply. Boost your building's comfort and automation.
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![Tjernlund 950-9131 Panel Notification Assembly Kit for LB2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/968968_medium.jpg?v=1718210554)
950-9131 | Panel Notification Assembly Kit for LB2 | Tjernlund
Brand: Tjernlund
SKU: 950-9131
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![Tjernlund UCRT Controller Universal Interlock with Speed Control 115 Volt | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/969153_medium.jpg?v=1718210673)
UCRT | Controller Universal Interlock with Speed Control 115 Volt | Tjernlund
Brand: Tjernlund
SKU: UCRT
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![Tjernlund UC1 Control Universal | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/379225_539b3dff-a945-4fae-a9c1-0a0f8daf591e_medium.jpg?v=1717079827)
UC1 | Control Universal | Tjernlund
Brand: Tjernlund
SKU: UC1
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![Tjernlund SS1 Vent Kit Power Side Shot SS1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/95504_33ffedbf-3e97-454b-9807-d77adf78a739_medium.jpg?v=1717079764)
SS1 | Vent Kit Power Side Shot SS1 | Tjernlund
Brand: Tjernlund
SKU: SS1
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![Tjernlund MAC1E Control Tjernlund | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/379227_ec7107d4-bd53-49a5-bd93-263fd7f51ca2_medium.jpg?v=1717079096)
MAC1E | Control Tjernlund | Tjernlund
Brand: Tjernlund
SKU: MAC1E
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![Tjernlund HS1 Vent Kit Power Sidewall | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/163813_2cd9bfe7-5903-4d69-aa52-ca674b2eca7d_medium.jpg?v=1717079036)
HS1 | Vent Kit Power Sidewall | Tjernlund
Brand: Tjernlund
SKU: HS1
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![Tjernlund VH1-8 Vent Hood 8 Inch Aluminum for Side Wall Vent Systems | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/379223_9a14dc15-f1ba-40de-8d90-84530c9a15ef_medium.jpg?v=1717079849)
VH1-8 | Vent Hood 8 Inch Aluminum for Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: VH1-8
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![Tjernlund VH1-6 Vent Hood 6 Inch Aluminum for Side Wall Vent Systems | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/163825_a7e13d38-0ea2-4300-a0be-3dab52aa12db_medium.jpg?v=1717079849)
VH1-6 | Vent Hood 6 Inch Aluminum for Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: VH1-6
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![Tjernlund VH1-4 Vent Hood 4 Inch Aluminum for Side Wall Vent Systems | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/163824_849580d8-e1a0-4a85-9314-c5d824cbb5ec_medium.jpg?v=1715640668)
VH1-4 | Vent Hood 4 Inch Aluminum for Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: VH1-4
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![Tjernlund SWT Thermostat Switch It SWT Wireless Heat Only | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/968945_medium.jpg?v=1718210661)
SWT | Thermostat Switch It SWT Wireless Heat Only | Tjernlund
Brand: Tjernlund
SKU: SWT
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![Tjernlund SS2 Vent Kit Ventor Power Side Shot Oil | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/197949_medium.jpg?v=1717079776)
SS2 | Vent Kit Ventor Power Side Shot Oil | Tjernlund
Brand: Tjernlund
SKU: SS2
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![Tjernlund LB2 Air Booster Dryer Duct LB2 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/969263_8bc6f451-5da9-4272-952d-bd5e9d36cccb_medium.jpg?v=1717079064)
LB2 | Air Booster Dryer Duct LB2 | Tjernlund
Brand: Tjernlund
SKU: LB2
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![Tjernlund HSJ Power Venter HSJ Sidewall with UC1 Control 115 Volt 50/60 Hertz | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/978055_medium.jpg?v=1717079012)
HSJ | Power Venter HSJ Sidewall with UC1 Control 115 Volt 50 / 60 Hertz | Tjernlund
Brand: Tjernlund
SKU: HSJ
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![Tjernlund HS2 Vent Kit Power HS2 Tjernlund | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/379222_685f38ef-999b-4dae-93bb-5fbe84229619_medium.jpg?v=1717079016)
HS2 | Vent Kit Power HS2 Tjernlund | Tjernlund
Brand: Tjernlund
SKU: HS2
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![Tjernlund D-3 Draft Inducer 1/20 Horsepower | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/163803_medium.jpg?v=1717078857)
D-3 | Draft Inducer 1 / 20 Horsepower | Tjernlund
Brand: Tjernlund
SKU: D-3
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![Tjernlund 950-1011 Wheel Kit for HST-1 Power Venter | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/188537_17014352-b30a-4d91-a17b-fe7773af60e2_medium.jpg?v=1717078563)
950-1011 | Wheel Kit for HST-1 Power Venter | Tjernlund
Brand: Tjernlund
SKU: 950-1011
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![Tjernlund 950-1007 Prover Fan Kit No Sensing Tube | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/968924_medium.jpg?v=1718210554)
950-1007 | Prover Fan Kit No Sensing Tube | Tjernlund
Brand: Tjernlund
SKU: 950-1007
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![Tjernlund 950-0670 Plenum Section SS1 UC1 Side Wall Vent Systems | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/95505_medium.jpg?v=1717078645)
950-0670 | Plenum Section SS1 UC1 Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: 950-0670
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![Tjernlund 950-0650 Fan Prover Kit SS1 Side Wall Vent Systems | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/95507_medium.jpg?v=1715639860)
950-0650 | Fan Prover Kit SS1 Side Wall Vent Systems | Tjernlund
Brand: Tjernlund
SKU: 950-0650
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![Tjernlund 950-0635 Blower Wheel 5/8 Bore | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/95510_b02ebe65-416d-45a5-ab80-17001424f264_medium.jpg?v=1717078550)
950-0635 | Blower Wheel 5 / 8 Bore | Tjernlund
Brand: Tjernlund
SKU: 950-0635
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![Tjernlund 950-0625 Motor Shot SS-1 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/95509_medium.jpg?v=1717078572)
950-0625 | Motor Shot SS-1 | Tjernlund
Brand: Tjernlund
SKU: 950-0625
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![Tjernlund 950-0474 Prover Fan Kit for PAI-4 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/969413_medium.jpg?v=1718210538)
950-0474 | Prover Fan Kit for PAI-4 | Tjernlund
Brand: Tjernlund
SKU: 950-0474
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![Tjernlund 950-0472 Prover Fan Kit for PAI-5 | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/969372_medium.jpg?v=1718210525)
950-0472 | Prover Fan Kit for PAI-5 | Tjernlund
Brand: Tjernlund
SKU: 950-0472
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GRD221.1U | Damper Actuator | Spring Return | 120 VAC | On/Off | 30 lb-in | Siemens
Brand: Siemens
SKU: GRD221.1U![Veris EP2100S EP | Analog In | 3-15/0-20psi | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/products/EP2121S_edfe339f-cd49-4263-bfb4-73f12f370c0c_large.jpg?v=1708554831)
EP2100S | EP | Analog In | 3-15/0-20psi | Veris
Brand: Veris
SKU: EP2100S![Veris E51C2 Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Blackhawk Supply](http://blackhawksupply.com/cdn/shop/files/E50B1_133fa895-f07d-4e0c-903d-c666ee67875b_large.jpg?v=1719241877)
E51C2 | Bi-Directional DIN Energy Meter | Modbus | Pulse Out | Veris
Brand: Veris
SKU: E51C2