S-Series gas stoves combine ease of use, simple maintenance and optimim performance. Equipped with a state-of-the-art gas burner, the Nestor Martin gas stoves offer a truly realistic impression of a wood fire combined with high fuel efficiency and the convenience of consistent heat output. The Nestor Martin stoves are designed to efficiently burn either propane or natural gas. They have been tested to meet the strictest standards of performance, safety and emissions for both gas types.