https://www.firstco.com/documents/IAM1010.pdf

with boiler systems. Aquatherm® air handlers include a fan motor for air circulation, hot water circulating pump, hot water heating coil, air purge valve, check ...

https://www.firstco.com/

WHD – Double Wall 2 Pipe Electric Heat. ... Introducing the next generation in HVAC innovation. ... First Co's cutting edge design and quality lead the way.

https://www.howtolookatahouse.com/Blog/Entries/2019/1/how-can-i-tell-the-age-of-first-co-aquatherm-or-us-ac-products-combo-heater-air-handler-from-the-serial-number.html

Jan 24, 2019 ... Aquatherm or U.S. A/C Products Combo Heater Air Handler from the ... the “ AquaTherm" and "U.S. A/C Products” equipment made by First Co., ...

https://www.youtube.com/watch?v=oywIKIlQu_Q

Oct 30, 2014 ... first company with hydronic heating coil,2 ton a.c. running r22 at this time.

https://hdsupplysolutions.com/p/first-company-20-ton-aquatherm-air-handler-p259680

First Company® UCQB Series Stud Mount Air Handler - For R-22 Or R-410A ... Water Heat - Built-In Circulating Pump - Piston-Type Metering - Copper Tube And  ...

https://www.youtube.com/watch?v=qSlTYSzNq1Q

Jan 7, 2015 ... Do not try this at home! HVAC training is required!

https://www.inspectorsjournal.com/topic/7081-aqua-therm-heating-system/

I put seven of them in one house with two oil fired boilers. All were manufactured by the First Co. It's not that the quality is sub-par, just ...

https://www.carrierenterprise.com/24hbqb-2-ton-cooling-heat-pump-hot-water-heating-air-handler-24hbqb

Item 6 - 12 ... First Company - The "Combo" air handler converts a properly sized gas or oil- fired water ... Compared to other heating systems, combo heaters offer hi.

https://www.justanswer.com/hvac/9sn7c-first-co-aqua-therm-hvac-unit-24vaq3-told.html

Jul 8, 2016 ... Hi, let me pull up the information about the equipment so I am certain it is a model I am picturing and I will be back in touch shortly. Thank you ...

https://www.carrierenterprise.com/30hbqb-2-5-ton-cooling-heat-pump-hot-water-heating-air-handler-30hbqb

Item 6 - 12 ... Compared to other heating systems, combo heaters offer high efficiency, g. ... First Company - 30HBQB 2-1/2 Ton Cooling/Heat Pump Hot Water ...