State Water Heater Water Heater Brochure

540 SERIES
Specifications
Complies with Ultra-Low NOx regulations. Utilizing commercial-grade copper alloy for
the heat exchanger tubing, the 540 is also suitable for heavier residential usages such
as combination space heating and domestic recirculation systems. Indoor models have
an integrated temperature controller and outdoor models include a remote control as a
standard feature. Indoor models are certified up to 10,100 ft. altitude.
Model Number* Type
Gas Consumption Input Inlet Gas Pressure**
UEF
Minimum
(BTU/H)
Maximum (BTU/H) Minimum (in. W.C.) Maximum (in. W.C.)
GTS-540-NIH Natural 15,000 199,000 4.0 10.5 0.93
GTS-540-NEH Natural 15,000 199,000 4.0 10.5 0.95
*For propane models, change “N” to “P”
**For propane models, minimum fire rate is 13,000 BTU/H, minimum inlet gas pressure is 8.0 in. W.C. and maximum inlet gas
pressure is 14.0 in. W.C.
CONDENSING
Model Number*
Maximum
GPM
Hot/Cold
Connections
Gas
Connection
Clearances (in.)
Approx
Shipping
Weight (lbs)
Top Bottom Side Front
GTS-540-NIH 10 3/4" NPT 3/4" NPT 12 12 3 4 71
GTS-540-NEH 10 3/4" NPT 3/4" NPT 36 12 3 24 69
ANSI Z21.10.3 • CSA 4.3
540
Temperature
Settings
Built In / without remote 120°F (default) 140°F
With 100209924 remote (max. distance 400’ from heater, non-polarized 20 gauge wiring.)
100°F to 160 °F with 5°F intervals (13 options), 120°F Default Factory Setting
Electric 120 V 89 W / 0.74 A (Operation) 4 W / 0.04 A (Standby) 175 W / 1.5 A (Freeze-Protection)
GTS-540-NIH GTS-540-NEH
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