Harvia Power Extension Unit LTY45 U1-U3

Harvia heater control

Prices verified August 2026

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Specifications

Harvia Power Extension Unit LTY45 U1-U3 full specifications
SpecValue
ModelXenio LTY45
Supply Voltage (Per extension box)240 V 1Ph
Length14.3" (364mm)
Width2.9" (73mm)
Height10.5" (267mm)
Weight6.1lbs

Cost to own

Harvia Power Extension Unit LTY45 U1-U3 cost and warranty figures
MetricValue
Cost per session (3yr basis)$3.85
Monthly running costvaries (heater dependent)
True delivered price$600
Warrantyper manufacturer

Assumptions: electricity at $0.17 per kWh (US average), cost per session over 3 years at about 1 session per week (price divided by 156), sauna running cost at a 30-minute session. These are estimates for comparison, not quotes.

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Harvia Power Extension Unit LTY45 U1-U3 FAQ

What does the Harvia Power Extension Unit LTY45 U1-U3 cost?

$600 delivered, which is $3.85 a session over three years at about one session a week. Every heater control on the same axis.

What warranty does the Harvia Power Extension Unit LTY45 U1-U3 carry?

per manufacturer, from Harvia.