Espar S3 B5E Hydronic Water Heater - Gasoline 2.1 cu. ft. (59 liters) RV5 Power Hub + 1x

RV5 Power Hub + 1x Battery

designed to minimize vibrations and noise from the air intake

it charges stuff

Multiply amperage rates by the number of paralleled batteries to increase ratings

or aftermarket finishes fully cover the metal around the window

Espar S3 B5E Hydronic Water Heater - Gasoline 2.1 cu. ft. (59 liters) RV5 Power Hub + 1xFast Warm Ups, Clear Windows, and Reliable Engine Pre Heat The Espar Hydronic S3 B5E CS is a compact 5 kW (17,000 BTU) gasoline water heater that delivers rapid cabin comfort and efficient engine pre heating. Paired with the EasyStart Pro controller, it allows precise scheduling and effortless control for daily use. Key Benefits & Applications Engine & Cabin Pre Heat: Circulates heated coolant to warm your engine and HVAC core, reducing cold starts,