D&L Parts Co. Vol. 3

Furnace Controls & Air Switches

Unit#2948042

Hot Surface Ignition – Integrated FURNACE CONTROL KITS

Unit#2498030

FURNACE CONTROLS

Hot Surface Ignition – Non-Integrated

Replaces single-stage carbide and nitride hot surface ignition systems. Control module features 3 fan speeds, color-coded thermostat connec- tion, onboard system diagnostics with LED indicator, and low-voltage fuse protection. Includes quick-connect wiring harnesses, universal nitride ignitor and instructions. Operating temperature: -40°F to 176°F (-40°C to 80°C).

Order No.

Input Volts AC

Dim. In. H x W x D

Features program keys for multiple timing selections, tri-colored LED indicator for diagnostics, direct and indirect flame sense compatibility and universal design.

50M56U-843

25

7 x 5.25 x 1.25

Order No.

Operating Temp. °F

50E47-843

-40 to 175

Unit#2498030

Silicon Carbide - Integrated FURNACE CONTROLS

Unit#2498030

FURNACE CONTROLS

Hot Surface Ignition – Universal Integrated

Controls gas valve, ignitor, two-speed blower motor, inducer, humidifier- and air cleaner. Features flash code diagnostics, twinning and adjust- ableblower relay. Includes mounting hole template.

Order No.

Operating Temp. °F

Silicon carbide ignition. Controls gas burner, ignitor, blower, inducer, air cleaner and humidifier. 30-second prepurge.

50T35-743

-40 to 176

Delay Sec.

Order

Heat

Cool

No.

On

Off

On

Off

U Unit#2498019

50A55-843 30/45

60/90/120/180

5

45/90

AIR SWITCHES

Dual Purpose

FurnaceControls&AirSwitches Unit#2498030

Nitride Hot Surface - Integrated FURNACE CONTROLS

Reduces potential for vibration or shock. Responds to positive, nega- tive or differential air pressure. Includes 12” L x 1/4” OD flex tubing with nuts and ferrules. Enclosed diaphragm. Mounts any position except for upside-down. Rated ambient -40°F to 180°F, max. pressure 1/2 PSI. Rated 15.0A resistive (noninductive) at 120/240/277V AC; 300 VA at 125V to 277V AC. UL listed, CSA certified.

Nitride ignition. Controls gas valve, igniter, blower, inducer, humidifier and air cleaner. Features replaceable 3A fuse, 60-minute auto reset and single-channel flame sense. Includes diagnostic indicator flash codes.

Order No. 770-1

Pressure In. WC

Switch Action

Order No.

Input Voltage

0.05-12

SPDT

50A65-843

25V AC

This information is provided “as is” without warranty of any kind by any person, including without limitation, the owner and the publisher.

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