Overview

The State STHR-180M3 tankless water heater uses up to 180,000 BTUs of Natural Gas or Liquid Propane to deliver a max flow rate of 10.5 GPM. State's ADAPT premium condensing gas tankless water heaters deliver robust, on demand performance and the flexibility to install in practically any residential setting. Easily add scale prevention protection by replacing the bypass cartridge with an optional X3 cartridge (sold separately). The ADAPT line features a built in Control Display for setting and reviewing up to two recirculating schedules as well as checking heater status and error codes. Manage temperature settings and activate the heater and recirculation remotely with optional kits (sold separately). All models are ENERGY STAR certified and extremely efficient with a Uniform Energy Factor of 0.95 and also comply with Ultra-Low NOx regulations. All ADAPT models are field convertible from Natural Gas to Liquid Propane, kit included, and can be installed indoors or outdoors (with an Outdoor Vent Cap Kit sold separately). Cascade up to 12 like heaters together for larger applications requiring multiple water heaters to work in conjunction, cable included.

Features

• For indoor installation or outdoor installation (must use the outdoor vent cap kit - sold separately
• Bottom water and gas connections - Top vent connections
• Primary heat exchanger is made of heavy duty stainless steel
• Integrated recirculation pump
• Built in control display to set and review recirculation schedules, status and error codes
• Approved for installation in manufactured homes
• Can be vented with PVC, CPVC, ABS or Polypropylene