Features:

Rugged All-Brass Headers

Finned Copper Tube Heat Exchanger

82% Efficiency.  Cat I Venting.

Indoor/Outdoor Certified.

Spark-to-Pilot Ignition

Corrosion Resistant Steel

24-Volt Controls

Floating Return Header

Tube Sheet and “O” Ring Construction

Interlocking Refractory Panels

Stainless Steel Burners

Slide-Out Burner Tray

Available for Natural Gas Only.

Exceptional Reliability

Service and Maintenance Ease

Convenience of Installation

Features:

Glass-lined cast-iron headers with copper finned tube heat exchanger.

Factory mounted and wired stainless steel pump (Piping by others).

Super Fast Recovery - Consistent 140°F water delivery, even during peak demand times.

High Efficiency - Up to 82% thermal efficiency.

Long Service Life (Four times longer than average tank-type heaters).

Compact - Fits in small equipment rooms.

On/off firing.

Features:

All models Indoor/Outdoor certified.

Efficiency:

•85% AFUE HD101-HD301.

•85% Water Heaters- standard.

Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.

105ºF minimum inlet water temperature.

Features:

Up to 85% efficiency

Multiple vertical venting and sidewall venting options. No extractor required for sidewall applications up to 70ft on room air.

All models indoor/outdoor certified

Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.

105ºF minimum inlet water temperature

Brass headers with copper finned tube heat exchanger. Glass-lined, cast-iron headers and cupro-nickel tubes available as options. AB 1953 compliant.

VERSA IC® control package with LCD display

Features:

Up to 85% efficiency

All models indoor/outdoor certified

Third-party certified under ANSI Z21.10.3

105ºF minimum inlet water temperature

Glass-lined, cast iron headers with copper finned tube heat exchanger

Status display lights

Pump-off delay, fixed at 300 seconds

T&P gauge

Features:

Up to 85% efficiency

All models indoor/outdoor certified

Third-party certified under ANSI Z21.10.3

105ºF minimum inlet water temperature

Glass-lined, cast iron headers with copper finned tube heat exchanger

Status display lights

Pump-off delay, fixed at 300 seconds

T&P gauge

Flow switch

Manual-reset high limit, 200F max

Low gas pressure switch

Features:

Up to 85% efficiency

Multiple vertical venting and sidewall venting options. No extractor required for sidewall applications up to 70ft on room air.

All models indoor/outdoor certified

Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.

105ºF minimum inlet water temperature

Brass headers with copper finned tube heat exchanger standard. Glass lined cast iron headers and cupro-nickel tubes available as options. AB 1953 compliant.

VERSA IC® control package with LCD display

Features:

Up to 85% efficiency

Multiple vertical venting and sidewall venting options. No extractor required for sidewall applications up to 70ft on room air.

All models indoor/outdoor certified

Patented burner “security blanket” enhances staged combustion, minimizes installation/start-up issues, and protects burners from metal fatigue.

105ºF minimum inlet water temperature

Brass headers with copper finned tube heat exchanger standard. Glass lined cast iron headers and cupro-nickel tubes available as options. AB 1953 compliant.

Ducted combustion air capable. TruSeal® CSA-Certified direct-vent available.

Features:

87% Thermal Efficiency at Full Rate.

Positive vent pressure, Condensing Appliance.  Cat IV Vent Required.

Bronze headers with copper finned tube heat exchanger standard.

Cupro-Nickel tubes available as options. ASME Section IV constructed and stamped, National Board registered.

CSA Low-Lead certified, less than 0.25% Lead.

Certified to ANSI Z21.10.3.

Minimum Inlet Water Temperature: 120°F.

Maximum Setpoint: 150°F.

Electronic Modulation, up to 7:1 Turndown.

VERSA IC® Control Package with LCD Display.

Status Display Lights.

Cascade control of up to 4 units, no external sequencer required.

Diagnostics Center with History, English, no codes.

Modbus RTU BMS port (RS485).

0-10 VDC BMS Interface (Setpoint or Direct Drive).

All models indoor/outdoor construction.

Features:

97% efficiency.  Condensing, Cat IV venting required

Brass headers with copper finned-tube primary heat exchanger.  Cupro-nickel tubes available as options.  CSA Low Lead Certified 5.25% lead

Minimum continuous inlet water temperature (50°F)

Electronic modulating gas valve and burner, up to 12.5:1 turndown

On-board diagnostic center, real English, no codes

All models indoor/outdoor construction

Primary-secondary piping required.

0-10 VDC Remote set-point BMS Interface

0-10 VDC Direct Drive

Available for natural gas or propane