Lochinvar SQUIRE Stainless SSU45 45-Gallon Indirect Water Heater

Model SSU045
4.6/5 from 110 ratings
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Price as of May 2026
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Fuel Type
Indirect
Tank Type
Indirect
Energy Factor
0.86
Warranty Years
99
Capacity Gallons
45
First Hour Delivery
200

Lochinvar SQUIRE Stainless SSU45 45-Gallon Indirect Water Heater Review

The Lochinvar SQUIRE Stainless SSU45 is a 45-gallon stainless steel indirect water heater. Mid-size variant in Lochinvar's SSU stainless line. Lifetime tank warranty with compatible Lochinvar boiler.

Specs: 45 gallons stored, fully stainless steel tank construction, internal stainless steel coil heat exchanger, polyurethane foam insulation. Lifetime tank warranty (with compatible boiler).

The 45-gallon capacity covers 3-4 person households with hydronic boiler installations. Lochinvar's premium stainless positioning means superior build quality and lifetime warranty versus mass-market glass-lined indirects.

About $2,400 unit, $3,200-$4,000 installed depending on boiler integration. Right buyer: 3-4 person primary residence with Lochinvar boiler installation, long-stay scenario wanting stainless indirect durability.

Full Specifications

Brand
Lochinvar
Model Number
SSU045
Fuel Type
Indirect
Tank Type
Indirect
Energy Factor
0.86
Warranty Years
99
Capacity Gallons
45
First Hour Delivery
200

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