Tjernlund PS1505

Tjernlund

Switch, Fan Proving

PS1505 49491
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Specs

ItemAir Sensing Switch
TypeFlue Exhaust Proving
Electrical Rating125 VA at 24 VAC, 300 VA Up to 277 VAC, 15 Amps Non-Inductive to 277 Volts AC
Application For Oil, Gas or Coal Fired Systems in Commercial and Industrial Applications
FunctionDesigned to Monitor the Fan Housing Pressure
UNSPSC40101601
Weight 1.600000
SKUs 4C725

Description

Fan Proving Switch, 125 VA @ 24 VAC, 300 VA Up to 277 VAC

Restrictions
  • Note: The performance table shows typical capacities when inducer is mounted on pipe sizes shown. Heating capacities shown are for 1000 Btu per cu. ft. of natural gas and for 139,000 Btu per gal. of #2 fuel oil.

In-Line Draft Inducers
  • Interlock Controls
  • Fan Proving Switch
  • Monitors pressure within the inducer housing. Required with 4C730 and 4C731 for CSA certification.
  • To comply with national mechanical codes, draft inducer must be interlocked with heater it serves.
  • Increase draft for gas- and oil-fired heating equipment. Variable draft control. Aluminized steel housing and wheel. 115V, 60 Hz. Use for long, horizontal vent connectors, undersized chimneys, and structures with a slight negative pressure. Fastening band included, except bandless screw attachment on 4C730 and 4C731.

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