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Honeywell Home ZD8X12TZ Zone Damper Bottom Mount 8" x 12" Power Close & Spring Open 24 VAC

ZD16X10TZ Honeywell Home Square Parallel Blade 24 VAC

ZD16X8TZ Honeywell Home Square Parallel Blade 24 VAC

Starting with the development of the first zoning dampers and registers in the 1950s to today, with exclusive Plug & Play dampers  Zonefirst has led the way in excellence and continued innovation.
ZONEFIRST is the first company that successfully developed and marketed HVAC Zoning Systems back in the 1950s and is today a leading manufacturer of HVAC zone dampers and zoning systems. Several other major zoning companies are in business due to ZONEFIRST.
It was in the mid to late 1950s when Richard Foster developed the first automatic motorized dampers, registers and difusers that were thermostatically controlled. He marketed these products under the trade name Zone-A-Trol with another company when in 1964 he founded Trolex Corporation and the start of the well known trade name Trol-A-Temp. In 1999 the Trol-A-Temp brand was acquired by Honeywell.
Since that time, Trolex has continued to manufacture zone dampers for a number of OEMs. In 2004 Trolex re-entered the HVAC market as ZONE-A-TROL and later the ZONEFIRST tradename. This new name signifies the many firsts the company has developed in the HVAC industry. We were the first company to develop automatic dampers, registers, and diffusers for zoning, centralized zone controllers, the first zoning system to feature normally open dampers and the first to zone heat pumps in the early 1970s

Resideo Y8610U Intermittent 1 or 2-Rod Natural Gas/LP Pilot Retrofit Kit for Gas-Fired Atmospheric Furnaces, 24 VAC

Intermittent pilot retrofit kits save energy by converting atmospheric standing pilot systems to intermittent pilot
• Use with natural or LP gas
• Provides 100% pilot gas shutoff if pilot fails to light, after 6 min delay, trial for ignition is repeated
• Ignition trail/delay sequence is repeated until the appliance lights or call for heat is removed
• 2 sec flame failure response time
• 0 or 30 sec pre-purge time
• Ignition sequence - continuous retry, after trial for ignition, pilot gas shuts off for 5 min then another trial for pilot ignition takes place
• Typical gas control - VR8204, VR8304
• Ignition source - internal high voltage spark generator
• Ignition trials to lockout - continuous retry
• 1 amp pilot, 2 amp at 24 VAC maximum valve load
• Q345, Q3451 typical ignition hardware
• 15 or 90 sec lockout timing and ignition trial time
• VR8204, VR8304 typical gas control
  

ZD24X8TZ Honeywell Home Square Parallel Blade 24 VAC

The ZD is a power close and spring open damper. It has a 24-volt motor used to control circulating air in HVAC systems and used when a normally-open damper is required. The ZD is typically used with the TrueZONE and other electronic zoning systems.

• Mechanical visual position indicator for damper status
• Solid construction using extruded aluminum frame and blades
• Parallel blade design for low leakage performance
• Simple, easy-to wire, two wire installation with a third wire option M4 for LED open only light
• Reliable, strong, 24 volt spring return motor
• Fail-safe, normally open operation
• Ordering instructions: order ZD (dimensions 1) x (dimensions 2), (motor is always mounted on dimensions 2 side) for example, ZD10x8 is a 10 x 8 Inch damper with the motor on the 8 Inch side, but a ZD8x10 is an 8 x 10 Inch damper that has the motor on the 10 Inch side
• Damper can be installed in any orientation (mounting side can be on either the bottom or the side of the duct)
• Motor or actuators mounting - side or top
• 30 sec power closed/10 sec spring return
• 90 deg angular rotation Honeywell Home TrueZone ZD Residential Damper, 10 x 12 Inch, Rectangular, 24 VAC, 0.32 amp, 90 deg Rotation, Import
  

ZD8X16TZ Honeywell Home Square Parallel Blade 24 VAC

Honeywell Home YERM5220R8321/U Programmable Equipment Remote Module with Thermostat, Up to 2 Heat/2 Cool Heat Pump or Conventional, 24 VAC

The Honeywell Home ERM is like a new cordless tool in your toolbox, pull it out whenever it's too costly or time-consuming to run wires from a condensing unit or boiler to control devices
• There are fewer holes to drill and wires to run, just faster, easier installation that gives you more profit per job, make the Honeywell Home ERM your go-to choice for fast, easy equipment installation
• Eliminates the need to run additional wires to your equipment, for example during a heat pump upgrade
• Suitable for outdoor use
• Temperature sensor terminals for outdoor temp sensors or indoor freeze protection
• LED for easy installation checkout
• May reduce damage to homes since wiring/drilling is eliminated
• Attach the ERM to the wall near the compressor or boiler, the location should be at least 3 feet above ground and oriented with the 2-wire exits facing downward mounting
• ERM compressor, boiler connected LEDs
  

ZD14X10TZ Honeywell Home Square Parallel Blade 24 VAC