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Home >> SEISCO SH Micro Boilers >> Seisco SH-18 Micro-Boiler
Seisco SH-18 Micro-Boiler

Seisco SH-18 Micro-Boiler 18kw 61,430 BTU

Item Number:2215
Price:$1,150.00

BTUh Output - 61,430
Breaker 2-50 Amp
Wire Required - 2 pair #8 cu with ground
Current Rating - 75 Amps
4 Chambers
23 lbs
Elements = 4x4500w


The Model SH-18, 61,430 BTUh output, four-chamber tank less electric space heater is designed for use in residential and commercial hydronic space heating applications such as, but not limited to, radiant floor heating, baseboard, hydro-heat pump and snow melting systems. This new micro-boiler is the ideal replacement for traditional boilers and tank-type heaters and is the enabling technology for use with active renewable energy systems such as solar and geothermal systems. The temperature activated control works effectively in low pressure and re-circulating systems.


UL 834 Approval Listing for Space Heating Applications

Works with all PEX tubing and manifold systems

No minimum flow activation required

Built-in DSM Utility Integration option

Compatible with Home Energy Management Systems

Compatible with all glycols (propylene glycol based antifreeze)

No moving parts

Very small & compact

Light weight modular construction

No restriction to flow

Standard 3/4 inch plumbing connections

Microprocessor digital control

Power sharing & variable power control technology

Continuous venting

Heats continuously only when needed, no storage

Self-diagnostics

Redundant safety devices

High performance polymer nylon chamber material

Rust & corrosion resistant

Built-in Leak detector and alarm



Click Here for SH-18 Specifications and Installation Diagram in PDF Format

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Seisco SH-18 Micro-Boiler