Espar S3 D5E Hydronic Water Heater - Diesel Option:Includes Easy Start PRO Dual Timer and Install Kit Weatherproof woven vinyl surface

Weatherproof woven vinyl surface

Charge confidently in cold-weather conditions

What's Included

The compact design frees up valuable roof space for solar and pairs well with modest 12V lithium battery systems—no oversized setup required

This tank is designed to fit snugly around your Promaster’s framed undercarriage

Espar S3 D5E Hydronic Water Heater - Diesel Option:Includes Easy Start PRO Dual Timer and Install Kit Weatherproof woven vinyl surfacePowerful Off Grid Heating for Your RV or Camper The ESPAR Hydronic D5E 12V RV Heater Kit delivers 17,000 BTU to heat both water and air, making it perfect for off grid homes, RVs, and campers. Its compact design allows flexible installation, either inside your living space or in the engine bay. Key Features & Benefits: High Performance: Generates 17,000 BTU, efficiently heating air and water. Reliable at High Altitudes: Runs up to 3,000m (9,900 ft)