Laars Heating Systems R2061100 Blocked Vent Switch 326010-701 This heavy-duty automatic safety valve

This heavy-duty automatic safety valve is rated for ambient temperatures ranging from 32°F to 300°F

Always verify the SBA038B1CPA model number on the original nameplate before installation

including the Type BQ (balanced port) and Type Q (conventional port) brass bodies

Compatible only with the Williams brand gas valve 6003 to ensure safe mechanical integration

This 190-220F auto reset limit switch functions as a primary high-limit control

Laars Heating Systems R2061100 Blocked Vent Switch 326010-701 This heavy-duty automatic safety valveWhen you're troubleshooting a call for no heat on a gas fired boiler, the Laars Heating Systems R2061100 Blocked Vent Switch is a critical safety component to inspect. Designed specifically for vertical draft hoods, this spill switch (also referred to as a safety limit switch) monitors pressure differentials to detect dangerous flue obstructions. If the venting system becomes restricted or fails to draft properly, this sensor interrupts the electrical