Lochinvar Squire SIT 80-Gallon Indirect Water Heater
Model SIT080
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Price as of May 2026
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Fuel Type
Hydronic
Tank Type
Indirect
Tank Material
Stainless Steel
Warranty Years
10
Capacity Gallons
80
Lochinvar Squire SIT 80-Gallon Indirect Water Heater Review
The Lochinvar Squire SIT 80-Gallon Indirect Water Heater is the standard 80-gallon variant in Lochinvar's SQUIRE indirect line. Same fundamental engineering as the smaller SIT040 and SIT065 at larger capacity.
Specs: 80 gallons stored, stainless steel internal coil heat exchanger, polyurethane foam insulation. Compatible with Lochinvar boilers and most US residential boilers. 10-year tank warranty.
The 80-gallon capacity covers 5+ person households with hydronic boiler installations. About $1,900 unit, $3,000-$3,800 installed depending on boiler integration.
Right buyer: large household with existing or new Lochinvar boiler, primary residence wanting hydronic-driven DHW for heavy demand profiles.
Full Specifications
Brand
Lochinvar
Model Number
SIT080
Fuel Type
Hydronic
Tank Type
Indirect
Tank Material
Stainless Steel
Warranty Years
10
Capacity Gallons
80
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