Johnson Controls H91DA-8 Pilot Safety Valve W/ Reducing Bushings 3/4" FPT
Specifications:
| Attribute | Details |
|---|---|
| [ Gas Nat/Lp ] [ 1/2" Fpt Gas In/Out ] [ Nc ] [ 120 V] | |
| [ Width 3" ] [ 1/8" Fpt Low Flame Bypass ] | |
| Includes 1/8" Pipe Plug #26-2509. | |
| [ Brand Baso ] [ Mfg# H91Da-8 ] , | |
| 120 V Coil S-142, # 51-1167 | |
| Henny Penny Fryer 600, Og- 301,302,303 | |
| Lincoln Oven Where Applicable | |
| Middleby Marshall Oven Series | Ps200/222/224, Js250. |
| Ps250, Ps300, Ps310, Ps350, Ps360. |
Description
More Information:
- HENNY PENNY:38446||JOHNSON CONTROLS:H91DA-8||LINCOLN:100192||MIDDLEBY MARSHALL:28091-0017
Step1: Shut off main gas line and isolate power before starting.
Step2: Disconnect and remove the existing pilot safety valve.
Step3: Clean threads and fit reducing bushings if required.
Step4: Apply gas-rated sealant to threaded connections.
Step5: Install new safety valve, aligning with marked flow direction.
Step6: Tighten joints firmly and reconnect control wiring.
Step7: Turn on gas and test all joints for leaks safely.
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What maintenance is required for the Johnson Controls H91DA-8 Pilot Safety Valve?
Inspect the valve regularly for gas leaks, secure fittings, and proper pilot flame operation. Clean external surfaces to prevent dust or grease buildup that may affect performance. Verify tight bushing connections and replace seals or components if damage, corrosion, or inconsistent ignition is observed.
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What are common issues with the Johnson Controls H91DA-8 Pilot Safety Valve?
- Pilot flame failure or weak ignition.
- Gas leakage from worn seals or bushings.
- Sticking or delayed valve response.
- Blocked pilot orifice restricting flow.
- Loose fittings causing pressure loss.
- Electrical or sensing faults in ignition system.
- Inconsistent gas delivery to burner.