1 60-2080—8
V48A,F,J; V88A,J
Diaphragm Gas Valves
The V48 and V88 are solenoid-operated dia-
phragm valves suitable for LP (Liquefied Petro-
leum), natural, and manufactured gases. They are
normally used on atmospheric boilers, commercial
water heaters, and rooftop heaters.
CONTENTS
Specifications ............................................... 2
Ordering Information .................................. 2
Installation ................................................... 5
Operation ..................................................... 8
Checkout and Troubleshooting ................... 9
Service Information ................................... 10
F.P. • Rev. 9-94 • ©Honeywell Inc. 1994 • Form Number 60-2080—8
■ Line voltage, 2-wire thermostat or controller used
with a V48; V88 used with 24V thermostat.
■ Valves provide slow opening and fast closing.
■ Two second maximum closing time for 2 through
3 in. valves.
■ One second maximum closing time for 3/4 through
1-1/2 in. valves.
■ V48J, V88J rated for 150° F ambient temperature.
■ V48F rated for 5 psi (lb. per sq in.) [34.5 kPa].
V48A and V88A rated for either 1/2 or 1 psi [3.4 or
6.9 kPa], depending on model. V48J and V88J rated
for 1 psi [6.9 kPa].
■ One model for natural and LP gases.
■ Wide range of sizes and capacities.
■ Firm closing; diaphragm is both weight and spring
loaded.
■ Valve closes on power failure; recommended for
final shutoff service.
■ Adjustable or fixed bleed orifices available for in-
stallation by OEM.
■ Valve position indicator on 1-1/4 in. V48A2227 and
2 in. V48F1103 Valves.
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