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Overview

Combination gas controls for use with hot surface/direct spark systems in 24 Vac, gas-fired appliances with capacities from 30 to 415 cfh.

Features

  • Controls include manual valve, two automatic operators, and pressure regulator.
  • Provide two automatic valves.
  • Solenoid operated first automatic valve opens on thermostat call for heat; closes when call for heat ends.
  • Diaphragm operated second automatic valve opens under control of the regulator; closes if gas or power supply is interrupted.
  • Meet codes requiring dual safety shutoff.
  • Natural to LP and LP to Natural conversion kits available for standard and slow opening gas valves.
  • All adjustments, wiring connections and pilot outlet are accessible from top of control.
  • ON-OFF lighting sequence.

Product Specifications

Application
Single Stage
Dimensions (in.)
4 15/16 in. high x 4 1/8 in. wide x 2 11/16 in. deep
Dimensions (mm)
125 mm high x 104 mm wide x 69 mm deep
Includes
Natural to LP Conversion Kit; 1/2" x 3/8" Reducer Bushing; 3/4" Straight Flange
Item Type
Product
Mounting
0 to 90 degrees in any direction from the upright position of the gas control knob, including vertically.
Frequency
60 Hz
Approvals, Underwriters Laboratories Inc.
UL Component Recognized MCCZ2.MH5323
Approvals, Canadian Standards Association
CSA International: 112395
Electrical Connections
1/4 in. quick-connect male terminals
Voltage
24 Vac
Operating Temperature Range (F)
0 F to 175 F
Operating Temperature Range (C)
-18 C to +79 C
Body Pattern
Straight-through
Opening Characteristics
Standard Opening
Pressure Ratings (psi)
1/2 psi
Pressure Ratings (kPa)
3.5 kPa
Inlet/Outlet Size (in.)
1/2 in. x 1/2 in.
Pilot Gas Outlet
None
Pressure Tapping
1/8 in. NPT with plug
Type of Fuel
Natural
Capacity (kBtuh)
At 1 in. wc p.d.-- 150,000 BTUh: 20,000 BTUh minimum: 200,000 BTUh maximum Natural Gas
Approvals, Australian Gas Association
4752
Pressure Regulator
Standard
Pressure Regulator Setpoint (in. wc)
3.5 in. wc
Pressure Regulator Setpoint (kPa)
0.87 kPa
Ignition Type
Direct Ignition
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