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COMMERCIAL CONDENSING GAS BOILERS MODEL DESCRIPTION Optional accessories include upgrading to a logomatic control, 4000 series control for cascading multiple boilers & CSD-1 installation kit (CSD-1 controls normally required in most jurisdictions, purchased separately). Installation features include vertical or sidewall venting up to 100' equivalent length, direct vent, or through the roof venting, approved for 1 pipe or 2 pipe venting. Venting must be AL29-4C stainless steel, or CPVC schedule 80. Boiler shipped with temperature/pressure gauge, pressure relief valve, supply & return mating fittings, and check valve. Low water cutoff not included (purchased separately). These boilers are extremely lightweight compared to cast iron commercial boilers and are compact to fit into existing mechanical rooms. Anti-freeze for use with aluminum heat exchangers is required for use with these boilers. WARRANTY FOOT NOTES
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