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White rectangular digital thermostat with LCD display and backlight, 240 volt line voltage model

TL7235A1003 Line Volt Pro Non-Programmable Digital Thermostat 240V

SKU CH-HH3K-PFY5Q

A non-programmable digital thermostat with auto changeover and soundproof operation for 240 V heating systems

  • TypeAuto Changeover
  • ColorWhite
  • FeaturesAuto Changeover
  • Easy reading in any light with on-demand backlight
  • Quiet operation eliminates clicking noise from conventional thermostats
  • Instant heating confirmation via clear indicator light
  • Precise 1 °F temperature control across 40–86 °F range
  • 15 A at 240 VAC handles high-power heating loads

Line Volt Pro Non-Programmable Digital Thermostat

The TL7235A1003 provides direct line-voltage control for 240 VAC electric heating systems. It suits homeowners and installers who need a straightforward, non-programmable replacement for baseboard or fan-forced heaters. The DPST switch handles full-load currents up to 15 A at 240 VAC. Auto changeover simplifies wiring in compatible installations.

Silent Operation and Accurate Temperature Control

Soundproof operation eliminates the audible clicking common with mechanical relays. An on-demand backlight makes the LCD readable in low light without constant glow. The thermistor sensor maintains a 1 °F differential across a 40 to 86 °F control range. A heating indicator gives immediate visual confirmation that the circuit is energised.

Compact White Unit for Standard Wall Boxes

The thermostat measures 4-7/8 inches high, 2-3/4 inches wide and 1 inch deep, fitting typical junction boxes. It requires a 240 VAC supply and is rated for heating-only applications. UL and CSA listings confirm compliance with North American safety standards. No programming features means no scheduling flexibility for occupants.

Highlights

  • Easy reading in any light with on-demand backlight
  • Quiet operation eliminates clicking noise from conventional thermostats
  • Instant heating confirmation via clear indicator light
  • Precise 1 °F temperature control across 40–86 °F range
  • 15 A at 240 VAC handles high-power heating loads

Specifications

BrandHoneywell
TypeAuto Changeover
ColorWhite
FeaturesAuto Changeover

Questions about this item

How do I wire the DPST switch on the TL7235A1003, and what is the common mistake?

Connect both hot lines to the DPST switch terminals for 240 VAC; the common mistake is wiring only one line, which leaves the heater partially energised when off.

What part will need replacement first on the TL7235A1003 thermostat?

The thermistor sensor or LCD backlight typically fail first after years of continuous 240 VAC switching cycles.

At what temperature does the TL7235A1003 stop calling for heat?

The control range tops out at 86 °F, so the thermostat will not request heat above that set point.

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